12-26 23:19:12 浏览次数:337次 栏目:高二英语教案
happiness to his wife and children.
Lucy seldom speaks in class until (she is) spoken to.
2.由where, wherever连词引导,表示“地点”。
如:
Retirees in good health should be invited to return to work wherever (they are) needed.
3.由if, unless引导,表示“条件”。
如:
If (they are) kept for too long, some medicine will lose their effectiveness.
Unless (it is) changed, the law will make life difficult for farmers.
4.由though, although, even though 连词引导,表示“让步”。
如:
Although (it was) built before the war, the engine is still in perfect order.
Even though (we are) defeated for a second time, our team did not give up hope for the ultimate
victory,
此外,过去分词还可以和介词with, without连用,具有副词的作用。
如:
Without anything left in the kitchen, they decided to eat outside.
最后,过去分词有时可以有其独立的主语,二者构成一种分词独立
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