2. Вставьте подходящую форму глагола.
1. I … a letter now.
a. am writing b. have written c. wrote d. was writing
2. He … a letter since 2 o’clock.
a. is writing b. has written c. have been writing d. has been writing
3. She … a letter yesterday.
a. has written b. wrote c. is writing d. has been writing
4. We often … letters.
a. are writing b. have written c. have been writing d.write
5. He … a letter when we came.
a. write b. was writing c. has been writing d. has written
6. She … the letter by 4 o’clock tomorrow.
a. will write b. will be writing c. will have written d. write

1 - a (Present Continuous)2 - d (Present Perfect Continuous)3 - b (Past Simple)4 - d (Present Simple)5 - b (Past Continuous)6 - c (Future Perfect)