`33` wasn't
`34` was / wasn't
`35` Was it
`36` was
`37` Was you / was
`38` Was Nam
`39` was he
`40` Didn't she buy
`41` didn't talk
`42` Didn't they come
`43` Didn't the window close
***
`->` Thì quá khứ đơn
Form :
+ Với " be "
(+) S + was / were + O
(-) S + wasn't/ weren't + O
(?) was / Were + S + O ?
+ Với " Verb"
(+) S + Ved / V2 + O
(-) S + didn't + V + O
(?) Did + S + V + O ?
@ Dorris