Put the predicates in the main clauses into the Past Indefinite Tense 1.The captain says that his ship’s speed is 17 knots.
2. The engineer says that the engine is in good order.
3.We know that he must be on board at 9 p.m. 4.We want to know when he arrived.
5.We can see that the sailors are working hard.
1.says=said,is=was
2.says=said,is=was
3.know=knew,must be=?может might be
4.want=wanted to know
5.can=could see,are = were working.