24.That man doesn't go to work because it is raining heavily.
>If it wasn't raining heavily , that man woudn't go to work
25. He doesn't have a bicycle, so he always goes to class late.
He always goes to class late because he doesn't have a bicycle
26. I am bad at English, so I can't do homework.
I can't do homework because  I am bad at English
27. He doesn't practise speaking French, so he doesn't speak it fluently.
» If he  practised speaking French, he would speak it fluently.
28. The meeting can be cancelled because it snows heavily.
- If it  didn't snow heavily , the meeting couldn't be cancelled