помогите сделать задание по ин-язу
образец:
heip mum - i think i should help mum
вот те предложения :
1.Do my homework
2.be nice to my brother \ sister
3.learn foreign languages
4.ptotest the environment
5.get a good education
6.be polite to everybody

спасибо большое, хорошо!

1. I think I have to do my homework.2. I think I should be nice with my brother.3. I think I should learn foreign languages.4. I think I mustn't protest the environment.5. I think I should get a good education.6. I think I should be polite to everybody.Понадобятся объяснения — проси.