`14.` bought

`-` last year `-` QKĐ

`15.` will go

`-` next week `-` TLĐ

`16.` was

`-` twenty years ago

`17.` didn't collect

`-` last year `-` QKĐ

`18.` are laughing

`-` now `-` HTTD

`19.` peeled

`-` last month `-` QKĐ
`20.` felt

`-` yesterday `-` QKĐ

`21.` didn't play

`-` last `-` QKĐ

`22.` Will `-` skate

`-` next winter `-` TLĐ

`23.` took

`-` last evening `-` QKĐ

`24.` threw

`-` yesterday `-` QKĐ

`25.` lost

`-` yesterday `-` QKĐ

`26.` doesn't bake

`27.` Did `-` speak

`-` two years ago `-` QKĐ

`28.` are not grown

`____________________`

`***` HTĐ

`(+)` S + V(s/es) + O

`(-)` S + do/does + not +  V_inf + O

`(?)` Do/does + S + V_inf + O?

`*` he / she / it / DTSI + Vs/es

`*` I / you / we / they / DTSN + V_inf

`->` Bị động HTĐ: S + am/is/are + V3/ed + (By + O)

`***` HTTD:
`(+)` S + am/is/are + V_ing + O

`(-)` S + am/is/are + not + V_ing + O

`(?)` Am/is/are +  S +  V_ing + O?

`***` QKĐ:

`+` Tobe:
`(+)` S + was/were + N/adj

`(-)` S + was/were + not + N/adj

`(?)` Was/were + S + N/adj?

`*` I/ he / she / it / DTSI + was

`*` you / we / they / DTSN + were

`+` Verb:
`(+)` S + V2/ed + O
`(-)` S  + didn't +  V_inf + O

`(?)` Did + S +  V_inf + O?
`-` DHNB: last + week/month/... , yesterday, ago , ...

`***` TLĐ:
`(+)` S + will + V_inf + O

`(-)` S + won't + V_inf + O

`(?)` Will + S + V_inf + O?

`14` bought

`15` will go

`16` was

`17` didn`t collected

`18` are laughing

`19` peeled

`20` felt

`21` doesn`t played

`22` will/ skate

`23` took

`24` throwed

`25` lost

`26` didn`t baked

`27` Did/ speak

`28` doesn`t grow

Lưu ý

`+` was dùng khi chủ ngữ là số ít ( I,he,she,it)

`+` were dùng khi chủ ngữ là số nhiều ( we, they, ...)

`+` khi có will, động từ nguyên mẫu