1. (They / play / squash) 2. We (not/help)you.
3. (he / cook dinner / tonight)?
4. I (not /sell) my car.
5. (they / climb / that mountain)?
6. (She / visit / her grandma)
7. (We / wash / the car)
8. (we / eat / fish / tonight)?
9. I (not/spend) my holiday abroad this
year.
10. (We / walk / in the mountains)​

1. They play squash. - This is a simple present tense sentence in which the subject "They" is followed by the verb "play" and the noun "squash".

2. We do not help you. - This is a negative sentence in which the subject "We" is followed by the helping verb "do" and "not", and the main verb "help" is used in the base form. This means that the speaker is stating that they do not help the person addressed in the sentence.

3. Does he cook dinner tonight? - This is a question in the present simple tense. The helping verb "does" is used to form the question, and the order of the subject "he" and main verb "cook" is inverted.

4. I do not sell my car. - This is a negative sentence in the present simple tense. The helping verb "do" is used with "not", and the main verb "sell" is used in the base form. This means that the speaker is stating that they do not sell their car.

5. Do they climb that mountain? - This is a question in the present simple tense. The helping verb "do" is used to form the question, and the order of the subject "they" and main verb "climb" is inverted.

6. She visits her grandma. - This is a simple present tense sentence in which the subject "She" is followed by the verb "visits" and the noun "her grandma".

7. We wash the car. - This is a simple present tense sentence in which the subject "We" is followed by the verb "wash" and the noun "the car".

8. Do we eat fish tonight? - This is a question in the present simple tense. The helping verb "do" is used to form the question, and the order of the subject "we" and main verb "eat" is inverted.

9. I do not spend my holiday abroad this year. - This is a negative sentence in the present simple tense. The helping verb "do" is used with "not", and the main verb "spend" is used in the base form. This means that the speaker is stating that they do not spend their holiday abroad this year.

10. We walk in the mountains. - This is a simple present tense sentence in which the subject "We" is followed by the verb "walk" and the noun phrase "in the mountains".