中考網整理了關于2021年中考英語知識點之條件狀語從句，希望對同學們有所幫助，僅供參考。

　　引導狀語從句的連接詞有：

　　If如果, unless除非, as long as只要, As (so) far as --- 據……所知，in case萬一, provided that假如, on condition that若是，以…為條件。

　　If ---如果。

　　If you don’t hurry up, you will miss the plane.

　　Unless --- 如果不, 除非=if not。

　　We can’t get there on time unless we book the earliest flight

　　As long as --- 只要。

　　We will succeed as long as we keep on trying.

　　As (so) far as --- 據……所知。

　　As far as I know, he speaks English very well.

　　In case --- 假使, 如果。

　　The plane cannot take off in case it rains.

　　Provided that 如果,有時省略 that。

　　The plane will be in good condition provided that it is taken care of carefully.

　　On condition that --- 條件是…

　　He said that he would come to the meeting on condition that no one asked him to speak.

　　注:主從句的動作發生在將來時，則主句用將來時, 從句用一般現在時。

　　If he arrives tomorrow, I will be waiting for him at the airport.

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