Question

13. We always (to drink) a good coffee in this bar. 14. You (to be) busy now? Yes, I (to be) very busy. I (to do) my lessons now. 15. They (to do) the washing-up now? 16. Peter (to listen) to the radio at the moment? 17. She (to send) a letter to her friend tomorrow? 18. I (to be) sure now that she (to agree) with our plan. 19. He (not to clean) his room yesterday. He (to be) tired. 20. At what time we (to have) dinner tomorrow? СРОЧНО ПОЖАЛУЙСТА ПОМОГИТЕ!!!

Answer 1

13 drink

14 Are you busy now? I am. I am doing.

15 Are they doing?

16 Is Peter listening?

17 Will she send?

18 I am, agreed

19 didn't clean, he was

20 At what time shall we have?

Answer 2

Of course, I'd be happy to help you with these sentences. Here are the correct forms:

13. We always drink a good coffee in this bar.
14. You are busy now? Yes, I am very busy. I am doing my lessons now.
15. Are they doing the washing-up now?
16. Is Peter listening to the radio at the moment?
17. Is she sending a letter to her friend tomorrow?
18. I am sure now that she will agree with our plan.
19. He didn't clean his room yesterday. He was tired.
20. At what time will we have dinner tomorrow?

Remember that in English, verb forms change based on tense (past, present, future) and subject (I, you, he/she/it, we, they). If you have any further questions, feel free to ask!