`1`. What is your mother doing?

`2`. What are An and Hung doing?

`3`. That businessman is going to Hanoi.

`4`. He is driving his truck.

`5`. Who is he waiting for?

`6`. Quang is driving to Hue.

`7`. He is taking the vegetable to the market.

`8`. The train is going to Nha Trang.

`9`. The children are playing in the garden.

`10`. Mai is brushing her teeth.

`=>`

S + am/ is/ are+ Ving

-         I + am + Ving

-         He/ She/ It/ Danh từ số ít/ Danh từ không đếm được + is + Ving

-         You/ We/ They/ Danh từ số nhiều + are + Ving

Wh- + am/ are/ is (not) + S + Ving?

`1.` What is your mother doing?

`2.` What are An and Hung doing now?

`3.` That busiman is going to Hanoi.

`4.` He is driving his truck.

`5.` Who is he waiting for?

`6.` Quang is driving to Hue.

`7.` He is taking vegetable to the market.

`8.` the train is going to Nha Trang.

`9.` The children are playing in the garden.

`10.` Mai is brushing her teeth.

`\text{Hiện tại tiếp diễn}`

`(+)` S + am/is/are + Ving + (O).

`(-)` S + am not/isnn't/aren't + Ving + (O).

`(?)` (WH) + am/Is/Are + S + Ving + (O)?

I+ am

she/he/it/...ngôi 3 số ít...+ is

you/we/they/...ngôi 3 số nhiều... + are