Simple

We use the present simple form for:

* facts or laws of nature:

The sun rises in the east.

* permanent states:

They live in London.

* daily routines, habits or repeated actions:

I get up at 7 o'clock.

He goes to work by bus.

* timetables:

The train for Vienna leaves at 10.30.

As you can see, only the verbs in the 3rd person singular (with he, she, it) have an ending -s or -es:

The ending can be pronounced in 3 different ways:

To make questions or negatives, in most cases we need an auxiliary verb DO / DOES (3rd person singular).

Watch the following videos to get a clearer view on the present simple:

For some exercises, go here, here, here or here.