`2.`to finish (ought to +V1)

`3.`didn't live (Qkđ)

`5.`to help

`6.`go (must+v1)

`7,8.`rises/to wear (HTĐ,sự thật hiển nhiên,chân lý, have to+V1)

`9.`was (QKĐ)

`10.`smoked

`11`did/give

`12.`told

`13`.bought

`14`was

`15`watched

`16`.to finish

`2.` to finish

ough to + V_inf: phải làm gì

`3.` didn't live 

Last year → QKĐ (S + didn't + didn't + V_inf)

`5.` to help

ough to + V_inf: phải làm gì

`6.` go

must + V_inf: phải làm gì

7.` rises

Điều hiển nhiên → HTĐ (S + V_inf/ V_s/ V_es)

`8.` to wear

has/ have to + V_inf: phải làm gì

`9.` was, didn't have 

Yesterday → QKĐ (S + V_ed/ V2; S + didn't + didn't + V_inf)

`10.` made

last night → QKĐ (S + V_ed/ V2)

`11.` Did Ba's teacher give

last week → QKĐ (Did + S + V_inf)

`12.` told

last year → QKĐ (S + V_ed/ V2)

`13.` bought

yesterday → QKĐ (S + V_ed/ V2)

`14.` was

last night → QKĐ (S + V_ed/ V2)

`15.` watched

last night → QKĐ (S + V_ed/ V2)

`16.` to finish

has/ have to + V_inf: phải làm gì

`17.` was

Yesterday → QKĐ (S + V_ed/ V2)

`18.` circles

every → HTĐ (S + V_inf/ V_s/ V_es)

`19.` introduced

in 1876 → QKĐ (S + V_ed/ V2)