9A Unit 5 Grammar:条件状语从句复习1.条件状语从句的连词:条件状语从句通常由从属连词if (如果), unless (如果不, 除非)等引导。eg. Ill spend my holidays in Australia if I have enough money. You wont pass the exam unless you work harder.2.条件状语从句的时态:条件状语从句通常用一般现在时,主句通常用一般将来时。eg. You will miss the train if you dont hurry. We wont go to his party unless he invites us.练一练1:(动词时态填空)1)If you _ (not work) hard, you _ (not pass) the exam.2)You _ (be) late, if you _ (no