八年级英语上册unit10ifyougotothepartyyoullhaveagreattime时grammarfocus3c同步语法精讲精练新版人教新目标版.pptx

Unit 10　If you go to the party，youll have a great time!;?含义：if引导的从句在复合句中表示条件，作主句的条件状语，称为条件状语从句，表示假如从句的动作发生，主句的动作就(不)会发生。 ?条件状语从句的引导词：条件状语从句通常由连词if(如果；假如)，unless(＝if...not除非；如果不)引导。 eg：You will get good grades if you study hard.如果你努力学习，就会取得好成绩。 I will not go to the party unless he goes there too.我不会去参加聚会的，除非他也去。 ?条件状语从句的位置：条件状语从句位置灵活，可放在主句之前，但要用逗号隔开；也可放在主句之后。;?条件状语从句的时态：当主句为以下三种情况时，条件状语从句用一般现在时表示将来： ①当主句为一般将来时时； ②当主句的谓语中含有can，may，must等情态动词时； ③当主句为祈使句时。 【拓展】①为避免重复，条件状语从句常用助动词do(does，did)来替代上文所提到的动作。 ②if还可表示“是否”，相当于whether，主要用于宾语从句。 eg：I dont know if he will come tomorrow.If he comes，I will tell you.我不知道他明天是否会来。如果他来，我就会告诉你。(前一个if表示“是否”，后一个if表示“如果”。) ;一、单项选择。 1．Your dream will come true __ __ you put your heart into it. A．if　　　B．although 　C．until　 　D．whether 2．In Chongqing，you can often see many people dance outside together if it __ __ in the evening. A．rains B．doesnt rain C．will rain D．wont rain;3．—Do you know if we will go for a picnic this Saturday? —I think we will if we __ __ any classes. A．wont have B．didnt have C．dont have D．arent having 4．Were not sure if it __ __ tomorrow.If it ________，we wont go hiking.(易错题) A．will rain；rains B．will rain；will rain C．rains；rains D．rains；will rain;二、根据句意，用括号中所给单词的适当形式填空。 5．I ________ (ask) the teacher for help if I dont understand. 6．You cant get good grades if you ___________ (not work) hard. 7．You must stop if the traffic light ___ (be) red. 8．Dont go out if you ___________ (not finish) your homework. 9．If I ____ (be) free，Ill visit my grandparents this weekend.;本课时其他知识点精讲精练 ?upset形容词，意为“难过；失望；沮丧”。 eg：He was upset and didnt know what to do.他很难过，不知道该怎么办。 ?advice不可数名词，意为“建议”。表示“一条建议”用a/one piece of advice，表示“一些建议”用some advice。 【拓展】give sb. some advice(＝give some advice to sb.)给某人提一些建议；ask for advice征求意见；follow/take ones advice接受某人的建议;1．Mary didnt catch the last bus，so she took a _____ (出租车) home. 2．Jack is _____ (沮丧) about losing the money for buying a schoolbag. 3．—Miss Li，could you give me ____ on English learning？(易错题