六年级英语上册语法.pdf

现在进行时 （unit1unit5 ） 一．意义 —— 当表示现在正在进行的动作或正在发生的事。 二． :be (am, is ,are )+动词现在分词 -ing 形式 肯定句：主语 + be + 现在分词 V-ing (+ 其他 ) eg: The children are playing in the park . 否定句：主语 +be+not+动词 -ing +其他 . eg:The children are not playing in the park. 一般疑问句： Be+主语 +动词-ing + 其他? eg:Are the children playing in the park? Yes, they are. /No , they are not. 特殊疑问句：特殊疑问词 +be+主语 +动词-ing+ 其他 ? eg:What are they doing now? 三. 现在分词的构成： (1)一般在动词末尾直接加 ing, 如： play→playing sleep→sleeping look →looking throw →throwing bark→barking listen→listening climb →climbing cry →crying call →calling wash→washing eat→eating brush→brushing drink →drinking comb→combing clean→cleaning go→going do→doing rain→raining talk →talking grow→ growing open→opening sing→singing eat→eating walk →walking (2)以不发音字母 e 结尾的动词，先去掉 e,再加 ing ， 如： bite→biting write → writing have → having dance→dancing (3)以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母， 应双写末尾的辅音字母，再加 ing, 如： sitting running swimming shopping 四.时间标志 —— now ，句前的 look ,listen 现在进行时专项练习： 一、写出下列动词的现在分词： play________ run__________ swim ________eat__________ go_________ write________ sit___________ read________ have_________ wash sleep ________ look_________ throw________ bark________ listen_________ climb________ bite_______ cry_________ clean call_________ sit ________ shop_________ brush drink comb 二、用所给的动词的正确形式填空： 1.The children __________________ ( play)in the park