Present Continuous Tense
(I am doing = S+Vto be+Ving)
** Study this example situation:
"Ann is in her car. She is on her way to work.
She is driving to work."
This means: she is driving now, at the time of speaking. The action is not finished.
Am / is / are-ing is the present continuous:
** I am doing something = I'm in the middle of doing something; I've started doing it and haven't finished yet.
** Often in the action is happening at the time of speaking:
- Please quiet. I'm working now. (Not "I work")
- Hello, Jane. Are you enjoying the party? (Not "do you enjoy")
- I'm tired. I'm going to bed now. Good night!
- Where 's Nick? He's having a bath. (Not "He has a bath.")