Question
Lesson 16
Are you happy?
Can you help me?
Is she here?
Are you sleeping?
When we ask a question, we start with the first verb in a sentence. We do it for the verbs to be and can and also for the present continuous.
Do you understand?
Does he understand?
When we ask a question in the present simple, we use do or does,
Examples
Are they going away?
Is it good?
Do you understand?
You can see more examples in the book Robinson Crusoe.