Use the correct form of verbs in brackets : 

1. They told me (hand) ... my name on the paper.

2. These exercises are easy enough for us (do) ...

3. Mr.Nam (not do) ... the house work every often.

4. It is necessary (learn) ... foreign languages.

`1`. to hand

`-` Tell sb to do sth: bảo/kể ai làm gì...

`2`. to do

`-` Be adj enough (for sb) to do sth: đủ (cho ai) để làm gì..

`3`. doesn't do

`-` DHNB: every `->` chia HTD

`@` Cấu trúc Hiện tại đơn:

(`+`) S + V(s/es) + O

(`-`) S + do/does + not + V-bare

(`?`) Do/Does + S + V-bare?

`4`. to learn

`-` It's + necessary+ (for sb) + to do sth: Nó cần thiết (cho ai) để làm gì..

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`1`. To hand

`2`. to do

`3`. doesn't do

`4`. to learn

`-----------`

`@` Hiện tại đơn:

`+` S + V(s,es) + O.

`-` S + don't/doesn't + Vnt + O.

`@` He, she, it, name, N(ít) + V(s,es)

`@` I, we, you,they, N(nhiều) + Vnt

`@` Ctruc: S + told sb + to V + O.

`-` Ctruc: It is necessary + (for sb) + to do sth + O.