Grammar

Present continuous (I am doing) : We use present continuous for something that is happening at or around the time to speaking. the action is not finished.

• I am doing
• Past now Future

• -The water is boiling. Could you turn it off
• -Listen to those people. What language are they speaking?
• -Let's go out. It isn't raining now.
• -A: Don't disturb me. I"m busy.
• B: Why? What are you doing?
• -I'm going to bed now. Good night
• -Maria is in Vancouver now. She's learning English

• Use the present continuous for temporary situations:
• I'am living with some friends until I find and apartment.
• "You're working hard today." "yes, I've got a lot to do.

• Simple present (I do)
• We use the simple present for things in general or thing that happen repeatedly

• I do
• Past Now future

• -Water boils at 100 degrees Celsius
• -Excuse me, do you speak English?
• -I doesn't rain very much in the summer
• -What do you usually do on weekends?
• -what do you do (= what's your job?)
• -I always go to bed before midnight.
• -Most people learn to swim when they are children.

• Use the simple present for permanent situations:
• -My parents live in Boston. They have lived there all their lives.
• -John isn't lazy. He works very hard most of the time.

you can also say "I'm always doing something," but this has different meaning.

• I've lost my key again. I'm always losing things.
• "I'm always losing things" does not mean that I lose things every time. It means that I lose things too often or more often than normal.
• You're always -ing means that you do something very often, more often than the speaker things is normal or reasonable.
• You're always watching TV. You should do something more active
• you watch TV often
• John is never satisfied. He's always complaining.
• He complain often.