1.Havent they finished doing their h/w yet?
Yes they havent finished yet
2. Will she have lately visited her parents?
Yes, she will visit them next week.
3. Has the maid been cleaning for 2 hours?
No, she has just started.
4. Does he drive the van till now?
Yes he oes.
5. Have you ever written the poem?
Yes, I have.
6. Have they been constructing this plane since last month?
Yes, they have.
Объяснение: