1. She hasn't met her parents for 3 years. 

-> S + last + V2/ed.... = S + have/ has + not ....

2. How much is this shirt?

-> How much does this shirt cost?

3. She doesn't need to clean the house twice a week .

-> She doesn't have to clean the house twice a week.

-> necessary = need = have to

4. Nam hasnt eaten that food for 2 weeks.

-> S + last + V2/ed.... = S + have/ has + not ....

5. We don't need to plant these trees.

-> We don't have to plant these trees.

6. What is the price of an ice-cream?

-> What + tobe the price + of = How much + tobe + S

7. Nam is my brother.

8. We are going to watch TV tonight.

-> We plan to watch TV tonight.

1. She has not met her parents for 2 years.

2. How much is the shirt?

How much does the shirt cost?  

3. She doesn't need to clean the house twice a week.

4. Nam has eaten that food 2 weeks ago.

5. We don't need to plant these trees.

6. What is the price of an ice cream?

7. Nam is my brother.

8. We are going to watch Tv tonight.

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