1. The foreigners / not used / use/ the chopsticks.

→The Foreigners aren't using the chopsticks

2. My friends/ decided / a picnic/ this Sunday.

→My friends decided to go a picnic this Sunday?

3. She/love / teach/children.

→She loves teaching children.

4. Mr. Lam/ go/ school /on foot once/ week.

→Mr.Lam goes to school on foot once a week.

5. Miss Thu/ not/read/ that book/ last night.

→Miss Thu didn't read that book last night.

$#Win<3$

1.

`->`The Foreigners aren't using the chopsticks

`->` Thì hiện tại tiếp diễn: S + be (not)Ving

2. 

`->`My friends decided to go a picnic this Sunday?

3. 

`->`She loves teaching children.

`->` love/ loves +Ving

4. 

`->`Mr.Lam goes to school on foot once a week.

`->` once a week là DHNB của thì hiện tại đơn

`->` S +V(s/es)

5.  

`->`Miss Thu didn't read that book last night.

`->` last night là DHNB của thì quá khứ đơn

`->` S + did not + V (nguyên mẫu)