Rewrite sentences without changing the meaning?

Rewrite sentences

1.I don't ride the bus to school every morning because it's always so crowded (If)

=> I would take the bus to school every morning if it weren't always so crowded.

2.The schoolchildren sowed some seeds, but they forgot to water them so they didn't grow (If)

=> If the schoolchildren hadn't forgotten to water the seeds, they would have grown.

3.Stop talking or you won't understand the lesson (If)

=> If you don't stop talking, you won't understand the lesson.

4.The wind is blowing hard, so we won't take the boat out for a ride (If)

=> If the wind weren't blowing hard, we would take the boat out for a ride.

5.Carol didn't answer the phone because she was studying (If)

=> If Carol hadn't been studying she would have answered the phone.

6.I feel better now because you talked to me about my problems yesterday (If)

=> I wouldn't feel better now if you hadn't talked to me about my problems yesterday.

7.Because I don't have enough free time,I can't help my mother with the housework(If)

=> If I had more free time I could help my mother with the housework.

8.Rita is exhausted today because she didn't get any last night (If)

=> Rita wouldn't be exhausted today if she had gotten some sleep last night.

9.I didn't prepare for today's lesson: So it is difficult for me to understand the teacher's explanation (If)

=> It wouldn't be difficult for me to understand the teacher's explanation if I had prepared for today's lesson.

10.'If I had any money I'd buy you a drink,' she said to me (reported speech)

=> She told me if she had had some money she would have bought me a drink.

11.'If I catch the plane I'll be home by five,'he said(reported speech)

=> He said if he caught the plane he would be home by five.

12.'You should stay in bed if you feel unwell,'my mother said (reported speech)

=> My mother advised me to stay in bed if I felt unwell.

13.'What would you do if you were having a problem with grammar,Jane?' Anne asked (reported speech)

=> Anne asked Jane what she would do if she were having a problem with grammar.

14.'I'd have been in bad trouble if Jane hadn't helped me,' he said (reported speech)

=> He said he would have been in bad trouble if Jane hadn't helped him.

15.I met her during my stay in Parist last summer (while)

=> While I was on holiday in Paris last summer, I met her.

16.MacKenzie wrote four best-sellers before he was twenty (By the age)

=> By the age of twenty, MacKenzie had written four best sellers.

17.He was crossing the road.I caught sight of him

=> I noticed him crossing the road.

18.Jimmy got into his car and drove away.I saw this

=> I saw Jim getting into his car and drove away.

19.They had a good meal and then went to dance

=> After they had had a good meal, they went to dance.