PRESENT SIMPLE & CONTINUOUS

We use the present simple for things in general that happen sometimes or all the times. EX: I work.

If we speak in third person we write "s".EX: He works.

Interrogative EX: do I work?

Negative EX: I don't work.

Present simple's + adverb: always, never, often, sometimes, usually. EX:I usually work.

Present continuous for things that happen when I'm speaking.

EX: I am writting my blog.

Negative EX: I'm not writting my blog.

Interrogative EX:Am I writting my blog?

CREDITS:http://www.cambridge.org/

http://www.englishpage.com/verbpage/simplepresent.html

http://www.englisch-hilfen.de/en/grammar/sim_pres.htm