The present continuous tense is formed from the present tense of the verb be and the present participle (-ing form) of a verb:

Use

1. We use the present continuous tense to talk about the present:

• for something that is happening at the moment of speaking:

I’m just leaving work. I’ll be home in an hour.
Please be quiet. The children are sleeping.

• for something which is happening before and after a given time:

At eight o’clock we are usually having breakfast.
When I get home the children are doing their homework.

• for something which we think is temporary:

Michael is at university. He’s studying history.
I’m working in London for the next two weeks.

• for something which is new and contrasts with a previous state:

These days most people are using email instead of writing letters.
What sort of clothes are teenagers wearing nowadays? What sort of music are they listening to?

• to show that something is changing, growing or developing:

The children are growing quickly.
The climate is changing rapidly.
Your English is improving.

• for something which happens again and again:

It’s always raining in London.
They are always arguing.
George is great. He’s always laughing.

Note: We normally use always with this use.

2. We use the present continuous tense to talk about the future:

• for something which has been arranged or planned:

Mary is going to a new school next term.
What are you doing next week?

3. We can use the present continuous to talk about the past:

• When we are telling a story: 

• When we are summarising the story from a book, film or play etc.:

Exercise