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北师大2003课标版《Grammar Summary》新课标PPT课件优质课下载
I ______________(meet)you.
hadn't been
wouldn't have met
If the ship________(strike) an iceberg, it_______________(sink).
Rose: Jack,
if we hadn’t been on board, we_________________(witness)its disaster.
If there _________(be)enough life boats, we____________(get) on the boat.
wouldn’t have witnessed
wouldn’t have sunk
had been
would have got
hadn't struck
If only Jack_____________ (die)!
I would rather that Jack__________(win) the ticket to the ship.
I wish that both of them ________ (live) together forever.
hadn't died
hadn't won
could live
Free discussion
If Jack were /should/were to be alive, he would/could/should/might.......some day.
If they were to........,
they would/could/should/might.......in the future.
If 从句的谓语形式
主句的谓语形式
present