wasn't didn't isn't的用法 各举两个例子

wasn't didn't isn't的用法 各举两个例子 aren't/didn't/isn't you?他们的区别 didn't notice 与 wasn't noticing 的区别 here used to be a tea house near the shcool,--------there?isn't didn't wasn't hadn't here used to be a tea house near the shcool,--------there?isn't didn't wasn't hadn't Look!Somebody has broken a glass.Well,it---me.I--that.A.wasn't;didn't do B.isn't;haven't done C.wasn't;hadn't done D.isn't;didn't 怎么百度上的正确答案是A,我们书上确是D啊,真是晕了, there used to be a hospital here,________?A isn't thereB wasn't itC didn't itD wasn't there A car knocked down a little boy just now.Luckily,he___at all.A.wasn't hurtB.didn't hurtC.wasn't hurtedD.isn't hurted原因 -Look at the sign smoking isn't allowed here.__oh,sorry,I___itA don't notice B.didn't notice C wasn't moticing D couldn't notice Look!Somebody has broken a glass.Well,it__ me.I__ that.A.wasn't;didn' doB.isn't;haven' doneC.wasn't;hadn't doneD.isn't;didn't do为什么前面一个空格用现在时呢?后面的为什么用助动词呢? 写出下列动词的完全形式can't i'd aren't they're let's wasn't that's don't when's didn't you're写出下列动词的完全形式can't i'd aren't they're let's wasn't that's don't when's didn't you're doesn't he's she's i'm isn't i've shouldn he ()any classes last week.A.doesn't have B.didn't have C.isn't have D.wasn't have I____think it____a good idea for her to copy myhomework.A./;isn't.B.don't;was.C.didn't;was.D./;wasn't求翻译 There used to be a tea house near the school,____ there?A.isn't B.didn't C.wasn't D.hadn't 英语 —Look at the sign on the right.—Oh,parking ____________hereA.doesn’t allow B.isn’t allowed C.didn’t allow D.wasn’t allowed this machine__.it has not worked for yearsA didn't work B wasn't workingC doesn't workD isn't working There used to be a tes house near the school ,____there?A.isn't B.didn't C.wasn't D.hadn't He used to be a teacher,( A.isn't he B.doesn't he C.didn't he D.wasn't he