$\text{Đáp án :}$

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

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

$\text{( ? )}$ Is / Am / Are + S + Ving ?

$\longrightarrow$ She / He / It và danh từ số ít - is

$\longrightarrow$ I - am

$\longrightarrow$ You /  we /  they và danh từ số nhiều - are

`1.` The students are doing the project now

`2.` Mrs Lien is teaching us about solar energy at the moment 

`3.` They are learning about energy this month

`4.` She isn't swimming in the swimming pool right now .

`5.`  Nowadays, people in Iceland aren't using energy from coal .

$\\$

`\text{@1412}`

`1.` the students are doing the project
`2.` Mrs.Lien is teaching us about solar energy at the moment
`3.` They are learning about energy this month
`4.` She isn’t swimming in the swimming pool right now
`5.` nowadays,people in Iceland aren’t use energy from coal
`CẤU` `TRÚC`:
(+) S + tobe + V_ing + O?
(-) S + tobe + not + V_ing + O
(?) Tobe + S + V_ing + O?