21. I had done that (be) was necessary.
22. They have found that the road (be) was very long.
23. I saw that I (make) had made a mistake.
24. The teacher asked Bill why he (not go) hadn't gone to school the day before.
25. We find that we (take) took a wrong way.
26. I want to know how long she (live) had lived here.
27. I didn't know who (help) had helped him.
28. Do you hear what she (just,say) has just said ?
29. Did you hear what she (just, say)had just said?
30. They believed that the police (capture) would capture the thief soon.
31. Did John say he (call) called you again?
32. She has throught that the work (be)was easy.
33. I wonder that changes the new President (introduce) introduced.
34. The students had throught that the English test (be) was rather difficult.
35. Mrs Smith complains that her neighbour (make) made too much noise .
36. I think John (be) was out of town now.
37. Tom promised he (not do) didn't do it again.
38. My father said he (be) was hear by noon.
39. Miss White swears that she (never see) had never seen that man before.
40. She has told me her name (be) was Mary.