Unit 10 复习课件 2022-2023学年人教版英语八年级上册

Unit 10 If you go to the party, you’ll have a good time! 由if引导的条件状语从句 条件状语从句是在复合句中作条件状语的句子,表示假如有从句的动作发生就会有主句的动作发生。条件状语从句常由从属连词if引导。 If +…, I’ll / you’ll +… ↘ ↙ 条件 结果 For example: If you study hard, I’ll be happy. If you get up late, you’ll be late. You’ll be fat if you eat too much. Structure 构成方式为 : “if引导的条件状语从句(逗号隔开)+主句” “主句+if引导的条件状语从句” if “如果”, 引导条件状语从句, 主句用一般将来时, 从句则用一般现在时,如: If it rains tomorrow, I shan’t climb the hills. if条件句时态问题 拓展:unless、when、as soon as、until 1.If I _(watch)TV this weekend, my mother _ _(be)angry. 2.If he _ (have)a strange haircut, the teachers _ _(agree). 一、用括号中所给单词的适当形式填空。 1.If you stay at home,you _(be) bored. 2.What _(happen) if you are late for class? 3.If he _(be) free tomorrow,he will come to your birthday party. 4.She will call me as soon as she (reach )HK. 5.I won't go to bed until my mom (come )back home. will be will happen is reaches comes (1)在if引导的条件状语从句中,当主句是一般将来时, 一般不使用be going to结构,而要用will、 shall。 If you leave now, you’re never going to regret it. If you leave now, you will never regret it. (2) 在if引导的条件状语从句中不使用some,而要用any If you have any questions to ask,please come to my office. 注意事项 2.借助介词with 或without来转换。 If you help me,I'll finish my job soon. =With your help,I'll finish my job soon. If there is no water,fish may die. =Fish may die without water. 1. we keep our hearts open,we can experience the happiness friendship brings us. A.Since B.If C.Unless D.Though 2.You will see many aunts dancing together on the square if it in the evening. A.doesn’t rain B.rains C.will rain D.won’t rain 3.If Nick home too late,he his favorite cartoon. A.gets,misses B.gets,will miss C.will get,misses D.will 1.I don't know what to do. 疑问词+to do 常见结构:when to come,where to go,how to do it. eg: 我想知道去哪里。 你能够告诉我怎么做吗? 2.half的用法 ❶做名词,意为“半;一半”,其复数形式是: half an hour half a month an hour and a half=one and a half hours two years and a half=two and a half years 半小时 半个月 一个半小时 两年半 ❷half of...意为“半数的……”此结构作主语时谓语 动词和介词of后的名词在数上保持一致。 Half of the orange (be) rot