`1.` His family didn't live here last year.

Giải thích: last year `->` thì QKĐ

$\text{(-) S + didn't + V-bare + ...}$

`2.` She doesn't often play basketball.

Giải thích: often `->` thì HTĐ
$\text{(-) S + do/does not + V-bare + ...}$

`3.` How do you go to work everyday? `->` By bus

Giải thích: everyday `->` thì HTĐ, mà đây là hỏi về phương tiện:

$\text{How + do/does/did + S + V-bare?}$

`4.` He usually goes to school by bus.

Giải thích: usually `->` thì HTĐ

$\text{ (+) S + V-(s/es) + ...}$

`5.` Did you run a marathon last year? `->` Yes, we did

Giải thích: last year `->` thì QKĐ

$\text{(?) Did + S + V-bare + ...?}$

`->` $\text{Yes, S + did/ No , S + didn't}$

`6.` Football is an outdoor game.

Giải thích: thì HTĐ với tobe

$\text{(+) S + am/is/are}$

`7.` We didn't go fishing last Sunday.

Giải thích: last Sunday `->` thì QKĐ

$\text{(-) S + didn't + V-bare + ...}$

`8.` They didn't go swimming last Sunday.

Giải thích: last Sunday `->` thì QKĐ

$\text{(-) S + didn't + V-bare + ...}$

`9.` There are many flowers in the park.

Giải thích:

$\text{There are + (many/ a few/ a lot of/...) + dtdd sn + (adv)}$

`10.` We can not go skiing in Viet Nam.

Giải thích: $\text{can(n't) + V-bare}$

`11.` What did Nam watch on TV last night?

Giải thích: last night `->` thì QKĐ

$\text{(?) (-WH) Did + S + V-bare + ...?}$

`12.` Mai isn't listening to music now.

Giải thích: now `->` thì HTTD

$\text{(-) S + am/is/are not + V-ing}$

`13.` How many hours did you watch TV last week? `->` Three hours.

Giải thích: last week `->` thì QKĐ, mà đây là câu hỏi số lượng, số thời gian

$\text{How many + prual noun + do/does/did + S + (have) ?}$

`14.` What is Mai's favourite sport?

Giải thích: hỏi về sở thích: 

$\text{What is + S/TTSH + favourite + sport/ food/...}$

`15.` He didn't go to work yesterday.

Giải thích: yesterday `->` thì QKĐ

$\text{(-) S + didn't + V-bare + ...}$

`16.` Ha doesn't have any rackets.

Giải thích: thì HTĐ

$\text{(-) S + do/does not + V-bare + ...}$

`17.` His bike is cheaper than my bike.

Giải thích: so sánh hơn với tính từ ngắn

$\text{S + be + adj/adv-er + than + S}$

$chucbanhoctot$
$\textit{~KaitoKid!}$