Đáp án:

`1,` went

`2,` don't visit

`3,` Did your mum make

`4,` sent

`5,` do

`6,` travelled

`7,` Did - have

`8,` received

`9,` works

`10,` went - watched

`11,` eats - ate

`12,` drink

`13,` takes

`14,` went

`15,` don't visit

Giải thích:

Thì Hiện tại đơn - Động từ thường:

$(+)$ S + V (s / es) 

$(-)$ S + don't / doesn't + V

$(?)$ Do / Does + S + V ?

`=>` DHNB `:` always, often, usually, in the morning, everyday ...

Thì Quá khứ đơn - Động từ thường:

$(+)$ S + V2 / V-ed

$(-)$ S + didn't + V

$(?)$ Did + S + V ?

`=>` DHNB `:` last, ago, in + thời gian trong QK, yesterday, in the past ...

`1.` went

`2.` doesn't visit

`3.` Did your mom make

`4.` sent

`5.` do

`6.` travelled

`7.` Did you have

`8.` received 

`9.` works

`10.` went/watched

`11.` eats/ate

`12.` drink

`13.` takes

`14.` went

`15.` don't visit

`@` Kiến thức thì hiện tại đơn : 

`-` Khẳng định : S + V(s/es) + .....      

`-` Phủ định : S + don't/doesn't + V .......

`-` Nghi vấn : Do/does + S + V ? 

`-` Dhnb : every morning, every afternoon,every day , often , always , usually

`@` Kiến thức thì quá khứ đơn :

`-` Khẳng định : S + V2/ed +.......

`-` Phủ định : S + didn't + V + ....

`-` Nghi vấn : Did + S + V + .......? 

`-` Dấu hiệu : last , yesterday , ago.....