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1、用所给词的适当形式填空做题规律总结及典型例题一、什么情况下用动词原形？1、在一般现在时中，主语为复数。例如：They play football in the team；2、祈使句中。例如：Open the door , please；3、助动词（do/does/did及其否定形式）后用动词原形。例如：What does she like best ?4、情态动词（can/could/should/may/maybe/must/will等及其否定形式）后用动词原形。例如：Can Tom dance ?5、使役动词（have/make/let）后用动词原形。例如：Lets have some f
2、un .6、固定搭配。如have to do, be going to do, had better do（最好做） 等。二、什么情况下用动词ing？1、介词后面用动词ing。例如：Thank you for giving me the book ；2、固定搭配。如：be good at, like, love, enjoy, what about, how about, have fun ,have a good time,look forward to 等等；3、go+动词ing。例如：go swimming, go shopping, go fishing, go skating等等；4
3、、课程。Reading lesson, Dancing lesson, Drawing lesson等等5、标识。No Smoking, No Parking等等；6、动词ing开头做主语。例如：Smoking is bad for your health.7、进行时态。Be动词+动词ing。例如：I am doing my homework now .动词ing变形规则：一般加ing，以e结尾的去e加ing（make、take等，但see除外）；以“辅音+元音+辅音”结尾 的双写最后一个字母加ing（swim/run）。三、什么情况下用动词不定式？1、固定搭配。如want to do , w
4、ould like to do，get to （到达），need to do （需要做），hope/wish to do , plan to do, seem to do（似乎）等；2、固定句型。如It takes/took sb. time/money to do sth;It is +形容词+for sb.+ to do sth；tell/ask sb. to do ;3、表目的。例如：To keep fit , Tom exercises every day .（为了保持健康，汤姆每天锻炼）4、特殊疑问词+不定式做宾语。如：How to get to the railway statio
5、n ?5、与too、enough连用表结果。如：The bag is too heavy to carry.（这个包太重了以至于我搬不动）6、动词不定式做定语。如：I always have a lot of jobs to do .（我总是有许多工作要做）四、什么情况下用动词三单形式？在主语为第三人称单数、时态为现在时态的情况下，动词用三单形式。例如：She often plays cards in the park .动词三单变化规则：一般加s，以s,sh,ch,x,o结尾的加es（如wash/go/fix/watch），以辅音加y结尾的变y为ies（如study/carry）;以f/fe
6、结尾的变f/fe为ves（knife/thief）。五、什么情况下用过去式？当题目时态为过去时态，动词用过去式。如：yesterday,last week ,three days ago, in 2000, before, at that time, once, in the past, this morning, just now, the other day, at that moment .过去式变形规则：be动词（was,were）；助动词（did）；实义动词：一般加ed，以e结尾加d（dance，live），以辅音字母+y结尾变y为i+ed（study,carry）；以元音字母加辅音
7、字母结尾双写最后一个字母加ed（plan/stop）；不规则（have/take/make）。6、 名词有哪些变形？1、 当主语为复数时，可数名词要用复数形式。如two, many, a lot of , lots of, some, Tom and Lily等。2、 当主语是不可数名词时，be动词要用单数形式。如：There is some milk in the fridge. 3、 名词变形容词。beautybeautiful, meaningmeaningful, windwindy, cloudcloudy,sunsunny .7、 动词变形有几种情况？1、 动词原形；2、动词不定式
8、（to do）；3、动词ing；4、动词三单；5、动词过去式；6、动词后加er、r或or变职业（如drivedriver, singsinger, teachteacher, visitvisitor, 注意cook既可以做动词也可以做名词）。8、 人称的变化 动词后面一般用宾格，如：I like him (he) very much；介词后一般用宾格，如：I have a gift for her (she)；当表示“.的”时，用所有格，如：Our (we)school is big and beautiful；当表示“.自己”时，用反身代词。如：Lily goes to the cinem
9、a herself (she).9、 典型例题1、 Mr Li (like) playing table tennis.2、 What Miss Green (do)? -Shes a (farm)3、 What do you like (play)?4、 There (be) some bread on the small table.5、 I have two (foot).6、 Helen is very good at (swim).7、 What would you like (eat)?8、 Lets (go) to the park.-Great!9、 I have two (r
10、ead) lessons every day.10、 There is a sign “No (smoke) ”on the tree.11、 Could you tell me how (get) to the station?12、 We have a (run) lesson this afternoon.13、 How many (toy) do you have?14、 He can (make) cakes.15、 Dont (skate) on the ice.16、 Can you show (I) your pictures?17、 His mother is a (work)in the factory.18、 Today is (sun).19、 We (go) to the museum last week.20、 Her father is best (cook)at the restaurant.