Adverbs of Frequency

Adverbs of frequency

always, usually, regularly, normally, often, sometimes, occasionally, rarely, seldom, never are adverbs of frequency.

The position of these adverbs is
before the main verb  and after a form of to be am, are, is (was, were)

I always get up at 6.30
Susan has sometimes got  lots of homework.
He is always tired. 
The adverbs often, usually, sometimes and occasionally can go at the beginning of a sentence.

Sometimes I go swimming.
Often we surf the internet.
Somtimes these adverbs are put at the end of the sentence.
We read books occasionally.

Complete note and exercises here

More exercises here