1、动词 verb.,动词,be动词(am, is,are),情态动词,助动词,行为动词,be 动词,be动词:am,is,are be动词的否定形式:am not(没有缩略形式)are not=arent ,is not=isnt be动词的过去式:am,is的过去式was;are 的过去式were 主语第一人称+am 主语第二人称+are 主语第三人称单数+is;复数+are,情态动词,情态动词本身有一定的词义,但它必须和实义动词原形一起构成句子谓语。情态动词有:can,must,could,would,may,shall,should 其否定形式为:cannot=cant,must not=
2、mustnt,could not=couldnt ;would not=wouldnt ;may not(无缩写形式),should not=shouldnt 注意,情态动词后应用动词原形。,助动词,do,does用于一般现在时,其过去式did用于一般过去时。它们通常用在疑问句、否定句中。它们的否定形式分别为:do not=dont,does not=doesnt ;did not=didnt 注意: (1)在一般现在时中,does用于第三人称单数,其余一律用助动词do。 (2)助动词do,does,did后用动词原形。,行为动词,行为动词又称实义动词,表示动作和状态,能独立作谓语。 目前,我
3、们学过的动词形式有:动词原形、动词的现在分词、动词的过去式三种。,用适当的助动词填空,1、 you like this magazine? 2、-What she at the weekends?-She usually plays games with her friends. 3、What you do last Sunday? -I wrote to my friend. 4、-Did you see a film called The Green Hornet ?-No,I . 5、 Jim have a party every Sunday?,Do,does,do,did,didnt,Does,用be动词的适当形式填空,1、You my good friend. 2、Jim and I in the same team. 3、Where his football? 4、I a student one year ago,but now I a teacher.,are,are,is,was,am,Thank you!,