Unit3Languageinuse1
把下列动词改为现在分词sitswimrunputgetseejumpreadcleaneatlistenwritehavetakemakeplaygodowaittalk2,用be(is,am,are)动词的适当形式填空1)Tonybuyingsomefruits
2)LucyandLilydoingtheirhomework
3)Isinginginthewashroom
4)Theyplayingfootball
5)Sheenjoyinghervisit
isareamareistingmingningtingStep1
现在进行时态1
定义:表示现在正在进行的动作
构成:主语+be+动词的现在分词
Be随着人称、数的变化而变化
(amisare)现在分词与动名词的基本形式你知道吗
那么简单,谁不知道,是由动词末尾加-ing形式构成,因此又叫动词的-ing形式
V+-ing现在分词的组成形式有如下几种:1动词后面直接加ing:doingbuyingplaying2动词去e加ing:havingtakinggivingwriting3重读闭音节单词,双写动词最后一个字母,然后加ing:runningswimmingsittingshoppinggettingbeginningputting4特殊形式的变化:lie—lyingdie--dyingStep1现在进行时:肯定句主语+bedoing否定句主语+benotdoing一般疑问句,Be动词提到句子开头如:I’mvisitingmyfriendsnow
Heisn’twritingapostcard
Issheenjoyinghervisit
Aretheybuyingpostcards
句型转换:1Sheiswatchingaballet
(变否定句)2We’rewaiti