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外研2003课标版《Grammar》精品PPT课件优质课下载
I could buy a ticket.
If I worked hard, I
might have money.
If I bought a ticket, I
would be on board.
If I hadn't won the ticket,
I wouldn't have been on board.
If I hadn't been on board,
I couldn't have met you.
If the ship hadn't struck an
iceberg, it shouldn't have sunk.
If there had been enough life
boats, we might have survived.
If we should have another wider
board soon, I could lie beside you.
If we were to come back home , I
would marry you some day.
If we married, we should live a
happy life in the future.
If we were to lie on the board
together,we might come back home.
Discussion：would could might
should 的区别：
1. If I hadn't been on board, I couldn't
have met you.（ ）