I. MUST

1. We must help parent at home.

2. I must do homework to parent happy.

3. I must wash he dishes help parent.

4. I must cook rice to help parent.

5. I must cleanning house to help parent.

II.MUSTN'T

1. We mustn't lazy.

2. I mustn't against parent.

3. I mustn't mess.

4. I mustn't require.

5. I mustn't selfish.

Study well!!!!

$@Soccuksuk$

Must:

-You must clean the floor

-You must do the laundry

-you must wash dishes

-you must clean the fan 

-you must cook rice

mustn't

-you mustn't dirty the house

-you mustn't be lazy

-you mustn't frustrate machine

-you mustn't do it over

-you mustn't disobey your parents