5 types of sentences:

1. I like to drink a coffee in the morning. = Simple clause
2. Alex was sick at night, so he didn't comes to class in the morning. = Compound clause 
3. After I finished studying, I went to do shopping. = Complex clause
4.  While Sara plays football, Yousra reads novels, but Imane only sleeps. = Compound- Complex clause
5. Sara will be sick unless she stop smoking. = Complex clause