`1`. We don't have a Math class today.

`-` Câu phủ định ( thì HTĐ): S+ do/ does+ not+ V

`2`. Lan's school has a big library.

`-` Có `1` cái thư viện lớn ở trường của Lan.

`=>` Trường của Lan có `1` cái thư viện lớn

`-` Câu khẳng định ( thì HTĐ): S (số ít)+ Vs/ es

`3`. English is not difficult to learn.

`-` easy ( dễ) `=` not difficult ( không khó)

`4`. Lan is very good at Math.

`-` be+ good+ at+ sth: giới về thứ gì

`5`. How much does this car cost`?`

`-` Hỏi về giá: How much+ do/ does+ N ( s)+ cost`?`

`6`. My brother is good at swim.

`-` giải thích giống câu `4`

`7`. What is your favourite subject`?`

`-` Hỏi về sở thích: What+ be+ one's+ favourite+ N`?`

`8`. What about going swimming`?`

`-` What/ How+ about+ Ving: thế còn làm gì thì sao

`9`. Why don't we listen to some ra music now`?`

`-` Why don't we+ Vo: Tại sao chúng ta không làm gì`?`

`10`. He'd like a cup of coffee.

`-` want `=` would like: muốn

`1.` We don't have a Math class today.

`-` There is/are (not) `+` N(s) `+` O.

`->` S/N `+` (don't/doesn't) `+` V(s/es) `+` O.

`2.` Lan's school has a big library.

`=>` Gthich như câu `1`.

`3.` English is not difficult to learn.

`-` Easy (dễ) `=` Not difficult (Không khó)

`=>` S `+` tobe (not) `+` adj `+` to Vinf.

`4.` Lan is very good at Maths.

`=>` S `+` tobe (not) `+` good at `+` N/V-ing.

`5.` How much does this car cost`?`

`-` How much `+` is/are `+` N(s) `?`

`->` How much `+` do/does `+` N(s) `+` cost`?`

`->` What is the price of `+` N(s) `?`

`=>` Câu hỏi về giá cả.

`6.` My brother is good at swimming.

`=>` Gthich như câu `4.`

`7.` What is your favourite subject`?`

`->` like best/most `=` favourite

`=>` Hỏi về sở thích.

`8.` What about going swimming`?`

`-` Why don't we `+` Vinf `+` O`?`

`->` What about/How about `+` V-ing `+` O`?`

`->` Let's `+` Vinf `+` O.

`=>` Câu gợi ý.

`9.` Why don't we listen to some rap music`?`

`=>` Gthich như câu `8.`

`10.` He'd like a cup of coffee.

`=>` want `=` would like (muốn)