【正文】
( 主祈從現(xiàn) ) 1. If條件狀語從句中,主句用一般將來時,從句用一般現(xiàn)在時表示將來。 If you won’t hurry up, you will miss the early bus. If you don’t hurry up, you will miss the early bus. What’s the rule? ( 1) If you..., you will... if條件狀語從句中,如果主句有 must, can, may等情態(tài)動詞,從句用一般現(xiàn)在時 。 ?You must stop if the traffic light is red. ?You may go fishing if you are free. ?He can go home if he finishes his homework. What’s the rule? ( 2) if條件狀語從句中,如果主句是祈使句,從句用一般現(xiàn)在時。( 主將從現(xiàn) ) Rules Mary (buy) the book, she will use up all her money. I (be) free, I’l