Поставьте существительные во множественное число 1. The sheep is eating grass.
2. There is a tomato and a potato on the plate.
3. The postman brings us a letter and a newspaper.
4. There is a deer, a fox, a wolf, a bear in our forest.
5. The photo of the family is beautiful.
6. Her daughter-in-law is a nice woman.
7. The household shop sells a knife, a brush, a shelf, a radio, etc.
8. A forget-me-not is a beautiful flower.
9. If you have a bad tooth you must go to a dentist.
10.The child is afraid of a mouse.
11. The book describes the life of the hero.
12. The passer-by is looking at the building.

do - did - done
think - thought - thought
make - made - made
live - lived - lived
do - did- done
eat - ate - eaten
dance - danced - danced
hit - hit - hit
take - took - taken

Task 2.
Past Simple: He asked a question. She spoke in Germany. They were in their room. They didn't drive the car. Alex didn't forget his homework.
Present Perfect: He has asked a question. She has spoken in Germany. They have been in their room. They haven't driven the car. Alex hasn't forgotten his homework.

Task 3.
Past Simple: Did you finish homework? Did Kate kiss Mark? Did waiter bring the juice? Did he pay the bill? Did you write a song?
Present Perfect: Have you finished homework? Has Kate kissed Mark? Has waiter brought the juice? Has he payed the bill? Have you ever write a song?

do - did - done
think - thought - thought
make - made - made
live - lived - lived
do - did- done
eat - ate - eaten
dance - danced - danced
hit - hit - hit
take - took - taken

 Task 2.

Past Simple: He asked a question. She spoke Germany. They were in their room. They didn't drive the car. Alex didn't forget his homework.
Present Perfect: He has asked a question. She has spoken Germany. They have been in their room. They haven't driven the car. Alex hasn't forgotten his homework.
 Task 3.
Past Simple: Did you finish homework? Did Kate kiss Mark? Did waiter bring the juice? Did he pay the bill? Did you write a song?
Present Perfect: Have you finished your homework? Has Kate kissed Mark? Has waiter brought the juice? Has he payed the bill? Have you ever written a song?