`1`.Let's buy a present for her wedding party

`\rightarrow` Let us + V

`2`.The population of the world is growing very fast

`\rightarrow` Thì HTTD : S + be + V-ing

`3`.What time do they usually have breakfast ?

`\rightarrow` Thì HTĐ ( CNV ) : Do / Does + S + V ?

`4`.The dog is jumping over the fence

`\rightarrow` Thì HTTD : S + be + V-ing

`5`.Today , they're learning to plant trees 

`\rightarrow` Thì HTTD : S + be + V-ing

`6`.They didn't buy anything at the supermarket yesterday evening

`\rightarrow` Thì QKĐ ( CPĐ ) : S + didn't + V

`7`.I'm going to buy some new clothes for my daughter

`\rightarrow` Thì TLG : S + be + going to do sth

`8`.Tommy's sister likes playing table tennis very much

`\rightarrow` Like + V-ing

`9`.Did they have a good time at the festival ?

`\rightarrow` Thì QKĐ ( CNV ) : Did + S + V ?

`10`.How often do you take morning exercise with your friends ?

`\rightarrow` Thì HTĐ ( CNV ) : Do / Does + S + V ?

`\rightarrow` How often dùng để hỏi về mức độ thường xuyên

`11`.Can you help me for a minute ?

`\rightarrow` ĐT đi sau can vẫn giữ nguyên

`12`.I like taking photos with my new camera

`\rightarrow` Like + V-ing

`\text{@ TheFox}`