现在 过去 ■■■■■■■■■■■■ was are were do did live - l lived help-a helped
7C中小学课件http://cai.7cxk.net 现在 过去 is ------------ was are ------------ were do ------------ did live ---------- lived help------------ helped
8理 过去 watch watched talk talked cook cooked work worked can -mmmmmmm- could do-mm-mmmm did
现在 过去 watch------------ talk--------------- cook ------------- work ------------- can --------------- watched talked cooked could do-------------- worked did
表示现在“有”或“没有” (现在)有 There is/are (现在)没有 There isn t/aren t =There is not /are not
(现在) 有… There is / are… （现在）没有… There isn’t / aren’t… =There is not /are not… 表示现在 “有”或“没有
here is a car isn't There is a television
4 There is a car. There is a television. isn't
There are many dogs arent an There are some cats aren't any
5 There are many dogs. There are some cats. aren't any aren't any