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y tomorrow. If在此引導(dǎo)一個(gè)條件狀語從句。當(dāng)主句是一般將來時(shí)時(shí), if引導(dǎo)的 從句必須用現(xiàn)在時(shí) 來表示將來可能發(fā)生的動(dòng)作或存在的狀態(tài)。t do? Read the passage (3a) and think. ? 1. How many rules are there? ? 2. What will happen if I don’t take my ID card? End of Year Party I want you to remember the rules for school parties. Don’t wear jeans! If you wear jeans, we won’t let you in. Don’t bring food to the party. If you do, the teachers will take it away. Don’t bring friends from other schools. If you do, the teachers will ask them to leave. Don’t leave the gym during the party. If you do, the teachers will call your parents. Don’t run or shout at the party. If you do, you’ll have to leave. Please bring your ID card. If you don’t have your ID card, you can’t go to the party. Karen: Are you going to ? Mike: Yea, I am. to wear my new jeans! Karen: You can’t do that! Mike: What will happen if I do? Karen: .