1.I said that I didn't (understand, understood) this sentence.
2.The porter knew that the train (would, will, had) be late.
3.The waiter said that there(was, is, had, are) no more bacon.
4.Mr. Priestley told me that I was (speak, speaking, spoken) very well.
5.He added that it was hard to tell I (was, has, am) not an Englishman.
6.I said that he had (teach, taught, leaned) me very well.
7.Pedro said that a man who (dressed, clothed, dresses) well, always got on well in business.
8.Mr. Pristley said that it always rained when he (forgets, forgot, forgotten) his umbrella.
9.Hob said he (knows, knew, had known) a funny story about that.