Giving advice and making suggestions

My friend Karen gets terrible headaches every day. I   told her, I think you should see a doctor

Would you like to dance with me Carlos?

R//Yes, that would be lovely.

Maybe we could have a trip to Cartagena

Why don’t we try to study more to win the exam?

How about we go to the movies?            

Expressing necessity, obligation, and possibility

My mother must prepare lunch for the weekend.

I need to get a job part-time because I want more money

My sister has to take care to of my nephew

I can´t drive a motorcycle until I have a license

I don´t have to work on Saturday But I do have to go study English

Expressing habit in the past

When I was 10 years old I used to run all time.

I didn't use to sleep but now i sleep all the time

I didn't use to eat pasta, but now I love it

I used to have a bicycle but now I have a motorcycle

My friends and I used to knock the neighbors doors and run

Expressing consequences in the future

If I don´t get up early, I will be late for work 

If I don´t exercise, I will get fat  

If I do my english homework, I will get a 5

I will travel in September, If I save money until august

If my nephew behaves well, I will take him to the circus

Describing how things are made

The breakfast was prepared by my mother

The film of IT (the murderous clown) was seen in movies by me.

A new shopping mall was built near my house

The blog was written by me

The cleaning of the house is done by my sister