1. Change into the Direct speech 1. He told his son to stay and keep Anna Lee company.
2. I told Chester to wait a minute.
3. He said to kill it before it grew.
4. Last night I sat him up behind the wheel and told the son to take a good look around, this was his hometown.
5. So I called up the captain to bring my wine.
6. The night man suggested to relax.
7. The man with the gun called up his son and said that there was room for him inside.

1) The scientists will go to the scientific research station today.
In the sentence, we can see the word "today", which indicates a future time. To construct a sentence in Future Simple, we use the auxiliary verb "will" followed by the base form of the main verb. In this case, the main verb is "go", so we say "will go".

2) They will worry about the climate changes.
Again, the use of the word "will" indicates a future time. We use "will" followed by the base form of the main verb "worry".

3) The temperature will drop and the snow will melt.
The word "will" is used with both verbs, indicating future actions. The base form of the verbs "drop" and "melt" is used after "will".

4) They will have a good time swimming in the lake.
Once again, the word "will" is used to show a future action. After "will", we use the base form of the verb "have".

5) It will be chilly in March.
In this sentence, "will" is used to indicate a future state or condition. The base form of the verb "be" is used after "will".

6) The museum will organize ecological conferences for the guests.
Here, "will" is used to indicate a future action. The base form of the verb "organize" is used after "will".

7) It will be exciting to learn about the African wildlife.
"Will" is used to indicate a future state or condition. The base form of the verb "be" is used after "will".

8) There will be more than a hundred rainfalls each year in this part of the country.
Once again, "will" is used to indicate a future state or condition. The base form of the verb "be" is used after "will".

9) The weather will be perfect for climbing the mountains.
Here, "will" is used to indicate a future state or condition. The base form of the verb "be" is used after "will".

10) There will be no sunny days during winter.
"Will" is used to indicate a future state or condition. The base form of the verb "be" is used after "will". The negative form "no" is added before the adjective "sunny".

If you go to see this film, you will have a good time. In this sentence, we use the first conditional to talk about a possible future condition (if you go to see this film) and its corresponding result (you will have a good time). The verb "go" is in the present simple tense because it is referring to a possible action in the future. The verb "have" is in the future simple tense ("will have") to express the result of the condition being fulfilled.

If he plays sport, he will live longer. In this sentence, we use the first conditional to talk about a possible future condition (if he plays sport) and its corresponding result (he will live longer). The verb "play" is in the present simple tense because it is referring to a possible action in the future. The verb "live" is in the future simple tense ("will live") to express the result of the condition being fulfilled.

She won't be an architect if she doesn't go to university. In this sentence, we use the first conditional to talk about a possible future condition (if she doesn't go to university) and its corresponding result (she won't be an architect). The verb "go" is in the present simple tense because it is referring to a possible action in the future. The verb "be" is in the future simple tense ("won't be") to express the result of the condition not being fulfilled.

They will call us if we give them our phone number. In this sentence, we use the first conditional to talk about a possible future condition (if we give them our phone number) and its corresponding result (they will call us). The verb "give" is in the present simple tense because it is referring to a possible action in the future. The verb "call" is in the future simple tense ("will call") to express the result of the condition being fulfilled.

If we don't solve the problem, we won't get the prize. In this sentence, we use the first conditional to talk about a possible future condition (if we don't solve the problem) and its corresponding result (we won't get the prize). The verb "solve" is in the present simple tense because it is referring to a possible action in the future. The verb "get" is in the future simple tense ("won't get") to express the result of the condition not being fulfilled.

Now let's move on to the second part of the exercise, where we need to complete the sentences with the correct form of the verbs in brackets:

If we don't go now, we will miss the bus. In this sentence, we use the first conditional to talk about a possible future condition (if we don't go now) and its corresponding result (we will miss the bus). The verb "go" is in the present simple tense because it is referring to a possible action in the future. The verb "miss" is in the future simple tense ("will miss") to express the result of the condition not being fulfilled.

1. You will be tired if you don't sleep. In this sentence, we use the first conditional to talk about a possible future condition (if you don't sleep) and its corresponding result (you will be tired). The verb "sleep" is in the present simple tense because it is referring to a possible action in the future. The verb "be" is in the future simple tense ("will be") to express the result of the condition not being fulfilled.

2. It won't be possible if they don't support us. In this sentence, we use the first conditional to talk about a possible future condition (if they don't support us) and its corresponding result (it won't be possible). The verb "support" is in the present simple tense because it is referring to a possible action in the future. The verb "be" is in the future simple tense ("won't be") to express the result of the condition not being fulfilled.

3. If you help me, I will give you a lot of money. In this sentence, we use the first conditional to talk about a possible future condition (if you help me) and its corresponding result (I will give you a lot of money). The verb "help" is in the present simple tense because it is referring to a possible action in the future. The verb "give" is in the future simple tense ("will give") to express the result of the condition being fulfilled.

4. She won't be slim if she doesn't stop eating so much chocolate. In this sentence, we use the first conditional to talk about a possible future condition (if she doesn't stop eating so much chocolate) and its corresponding result (she won't be slim). The verb "stop" is in the present simple tense because it is referring to a possible action in the future. The verb "be" is in the future simple tense ("won't be") to express the result of the condition not being fulfilled.

5. If we sing some carols, they will be happy. In this sentence, we use the first conditional to talk about a possible future condition (if we sing some carols) and its corresponding result (they will be happy). The verb "sing" is in the present simple tense because it is referring to a possible action in the future. The verb "be" is in the future simple tense ("will be") to express the result of the condition being fulfilled.

6. Robert will read the whole essay if he likes it. In this sentence, we use the first conditional to talk about a possible future condition (if he likes it) and its corresponding result (Robert will read the whole essay). The verb "like" is in the present simple tense because it is referring to a possible action in the future. The verb "read" is in the future simple tense ("will read") to express the result of the condition being fulfilled.

7. He won't get a better job if he doesn't pass that exam. In this sentence, we use the first conditional to talk about a possible future condition (if he doesn't pass that exam) and its corresponding result (he won't get a better job). The verb "pass" is in the present simple tense because it is referring to a possible action in the future. The verb "get" is in the future simple tense ("won't get") to express the result of the condition not being fulfilled.

8. If you don't exercise and eat healthily, you will put on weight. In this sentence, we use the first conditional to talk about a possible future condition (if you don't exercise and eat healthily) and its corresponding result (you will put on weight). The verbs "exercise" and "eat" are in the present simple tense because they are referring to possible actions in the future. The verb "put" is in the future simple tense ("will put") to express the result of the condition being fulfilled.

9. They will buy some popcorn if they go to the cinema. In this sentence, we use the first conditional to talk about a possible future condition (if they go to the cinema) and its corresponding result (they will buy some popcorn). The verb "go" is in the present simple tense because it is referring to a possible action in the future. The verb "buy" is in the future simple tense ("will buy") to express the result of the condition being fulfilled.

10. If he goes to the gym, he will get quite muscular. In this sentence, we use the first conditional to talk about a possible future condition (if he goes to the gym) and its corresponding result (he will get quite muscular). The verb "go" is in the present simple tense because it is referring to a possible action in the future. The verb "get" is in the future simple tense ("will get") to express the result of the condition being fulfilled.

11. If we don't protect the white dolphins, they will become extinct. In this sentence, we use the first conditional to talk about a possible future condition (if we don't protect the white dolphins) and its corresponding result (they will become extinct). The verb "protect" is in the present simple tense because it is referring to a possible action in the future. The verb "become" is in the future simple tense ("will become") to express the result of the condition not being fulfilled.

12. You won't get a seat if you don't reserve a ticket. In this sentence, we use the first conditional to talk about a possible future condition (if you don't reserve a ticket) and its corresponding result (you won't get a seat). The verb "reserve" is in the present simple tense because it is referring to a possible action in the future. The verb "get" is in the future simple tense ("won't get") to express the result of the condition not being fulfilled.