Unit10语法讲解及练习课件 2023-2024学年人教版英语八年级上册 1审

We will have a good time tomorrow. We will go to the party tomorrow. If we go to the party tomorrow,we’ll have a great time. Grammar Focus ◎主 将 从 现◎ if 引导的条件状语从句 主句是一般将来时, if 引导的从句用____________。 一般现在时 合并 We’ll have a great time if we go to the party tomorrow. You will go to the concert. You must buy a ticket first. If you go to the concert, you must buy a ticket first. 合并 Grammar Focus if 引导的条件状语从句 主句含有_________, if 引导的从句用____________。 一般现在时 ◎主 情 从 现◎ 情态动词 You must buy a ticket first if you go to the concert. if 条件状语从句中，主句是祈使句，从句用____________表示将来。_________原则。 Don’ t wait for me if I _____ (be) late. 一般现在时 主祈从现 am 1. Put up your hands if you _____ (have) any questions. 2. If it ____ (be) cold tomorrow, I will wear my sweater. 3. He can go home if he ________ (finish) his homework. have is finishes 4. If I go to the movies, I my homework on time. A didn't finish B don't finish C won't finish B ※ if ... not引导的条件状语从句可以用unless改写 unless 除非;如果不 There will be more pollution if people don't drive less. = There will be more pollution unless people drive less. 用unless改写： If he doesn't invite me , I won't go to his party. = ___________________, I won't go to his party. Unless he invites me ※ if 引导的条件状语从句 与 “祈使句,+or/and +句子” 的转换 If you work hard, you'll pass the exam easily. = Work hard, and you'll pass the exam easily. = Work hard, or you won't pass the exam easily. Put on your coat, ____ you'll have the flu. Be friendly to others, _____ you'll make more friends. or and （2）借助without或with来转换条件状语从句。 If there is no water, fish will die.=Fish will die without water. If you help me, I will finish the work soon. =With your help, I will finish the work soon. （3）借助不定式短语 It will be a great mistake if we wait another week. =It will be a great mistake for us to wait another week. 用括号内所给单词的正确形式填空。 1. I’ll buy a computer if I _____ (have) enough mon