1 rememeber to bring the compass are you get lost
you must bring the compass are you get lost
2 visiting Doc Cuoc temple is very impotant when you going Samson beach
you have to visiting Doc Cuoc temple when you going Samson beach
3 it is wrong of her to talk in the class
she musn't talk in the class
4. Take a waterproof coat during your trip to Thanh Hoa because it rains heavitly there.
You should take a waterproof coat during your trip to Thanh Hoa because it rains heavitly there.
5.It is very important that they arrive on time at school.
 They must arrive on time at school.

1 rememeber to bring the compass are you get lost
--> you must bring the compass are you get lost
2 visiting Doc Cuoc temple is very impotant when you going Samson beach
---> you have to visiting Doc Cuoc temple when you going Samson beach
3 it is wrong of her to talk in the class
she musn't talk in the class
4. Take a waterproof coat during your trip to Thanh Hoa because it rains heavitly there.
----> You should take a waterproof coat during your trip to Thanh Hoa because it rains heavitly there.
5.It is very important that they arrive on time at school.
->>> They must arrive on time at school.