1.写出下列动词单三形式
wash>>washes
watch>>watches
finish>>finishes
guess>>guesses
snow>>snows
take>>takes
carry>>carries
study>>studies
have>>has
do>>does
go>>goes
2.用所给词的适当形式填空
1.has
2.are（并列主语，复数的概念）
3.don't
watch
4.doesn't
go
5.Do,like
6.do,do
7.Do,read
8.teaches
9.doesn't
do
10.is（water不可数，故用is）
11.likes
12.goes
13.doesn't

一:asks , helps , jumps , likes , makes , comes , buys , has , studies , flies , plays . 二:am / is - was , are - were ,do - did , enjoy- enjoyed , type - typed , copy - copied , rip - ripped ,cook - cooked , stop - stopped , take - took , buy - bought , sing - sang , get - hot , eat -日夏养花网 ate . 三:look - looking , poeVRHiput - putting , stay - staying , read - reading , dance - dancing , have - having , write - writing , run - running , sit - sitting , swim - swimming )

一从左到右依次是asks ,helps,jumps,likes,makes,comes,buy 好像无,has ,studies,fli日夏养花网es,plays,does ,washes,watches,goes,二was /were ,did ,cleaned,enjoyed,cooked,stoped,took日夏养花网 ,bought ,sang ,got ,ate ,三looking,putting,reading,dancing,having,writing,running,sitting,swimming,太多了

plays playing played played teaches teaching teached teached studys studying studied studied shines shining shioeVRHipned shined dies dying died died prefers preferring preferred preferred waters watering watered watered