engasas Ex.4
2) bought
3) saw
4) were
5) did
6) jumped
7) rode
8) had
ex.3
2. John doesn't read a comic yesterday afternoon.
3. My friends don't come to my house last weekend.
4. You don't buy a new CD yesterday.
5. I don't swim in the sea last summer.
6. Emma doesn't tell me a joke yesterday.
7. The cat doesn't eat a fish last night.
8. You and Jim don't make sandwiches for lunch yesterday.
9. Dad doesn't drive to work yesterday morning.
10. Our grandparents don't send us an email last week.