21. If only i could know how to do it
I wish i could know how to do it
22. He laughed as he did the exam successfully
23. i wish mr barker had told me about it
if only i had been told about it
24. i wish mary could come here tomorrow
25. he wishes he hadn't left too early
26. the wish they didn't have too much work to do now
27. if the lecturer had prepared his speech carefuly, he could did it better
had the lecturer prepared his speech carefully, he could have done it better
had it not been for the lecturer's careless preparation, he could have done it better
but for the lecturer's careless preparation, he could have dont it better
29. if he hadn't helped me, i coudl go bankrupt
had he helped me, i couldn't go bankrupt
had it not been for his help, i could go bankrupt
but for his help, i couldn't go bankrupt
30. it looks as they are fighting with each other
2.
1. i wish i could go there on time
2. she wishes she could understand what he said
3.
had she finished her work, she could have not been punished by the boss
3. if only you had attend the meeting yesterday
4. but for bad weather, we could have a nice camping in the holiday