4. Put the verb into the most suitable form (10 points):

1. Who (1) (invent) the bicycle?

2. I was the last to leave the office last night. Everybody else (2) (go) home when I (3) (leave).

3. What (4) (you / do) last weekend?

4. It’s a shame the trip was cancelled. I (5) (look) forward to it.

5. A few days ago (6) (I / see) a man at a party whose face (7) (be) very familiar. At first I couldn’t think where (8) (I / see) him before. Then suddenly (9) (I / remember ) who (10) (it / be).

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1. Who invented the bicycle?


The verb in this sentence is "invent." We need to put it into the most suitable form. Since the subject "Who" is in the third person singular form, we need to use the past simple tense. Therefore, the correct form is "Who invented" because "invented" is the past simple form of the verb "invent."

2. I was the last to leave the office last night. Everybody else (2) (go) home when I (3) (leave).


In this sentence, we have two verbs that need to be put into the most suitable form: "go" and "leave." Let's analyze each one separately:

- "Everybody else (2) (go) home": Since the subject "Everybody else" is in the third person plural form, we need to use the past simple form of the verb "go," which is "went." Therefore, the correct form is "Everybody else went home."

- "when I (3) (leave)": In this case, the subject "I" is in the first person singular form, so we need to use the past simple form of the verb "leave," which is "left." Therefore, the correct form is "when I left."

3. What did you do last weekend?


The verb in this sentence is "do." Since the subject "you" is in the second person singular or plural form, we need to use the past simple tense. Therefore, the correct form is "What did you do" because "did" is the past simple form of the verb "do."

4. It’s a shame the trip was cancelled. I (5) (look) forward to it.


In this sentence, we have the verb "look" that needs to be put into the most suitable form. Let's analyze it:

- "I (5) (look) forward to it": The subject "I" is in the first person singular form, so we need to use the past simple form of the verb "look," which is "looked." Therefore, the correct form is "I looked forward to it."

5. A few days ago (6) (I / see) a man at a party whose face (7) (be) very familiar. At first I couldn’t think where (8) (I / see) him before. Then suddenly (9) (I / remember ) who (10) (it / be).


In this sentence, we have several verbs that need to be put into the most suitable form. Let's analyze each one separately:

- "(6) (I / see) a man": The subject "I" is in the first person singular form, so we need to use the past simple form of the verb "see," which is "saw." Therefore, the correct form is "(6) I saw a man."

- "(7) (be) very familiar": The subject "whose face" refers to the man, which is in the third person singular form. Therefore, we need to use the past simple form of the verb "be," which is "was." Therefore, the correct form is "(7) whose face was very familiar."

- "(8) (I / see) him before": The subject "I" is in the first person singular form, so we need to use the past simple form of the verb "see," which is "saw." Therefore, the correct form is "(8) I saw him before."

- "(9) (I / remember ) who": The subject "I" is in the first person singular form, so we need to use the past simple form of the verb "remember," which is "remembered." Therefore, the correct form is "(9) I remembered who."

- "(10) (it / be)": The subject "it" is in the third person singular form, so we need to use the past simple form of the verb "be," which is "was." Therefore, the correct form is "(10) it was."