The position of the frequency adverbs is before the main verb or after the verb "To Be". When we use an auxiliary verb (have, will, must, might, could, would, can, etc.), the adverb is placed between the auxiliary and the main verb: "She can som,etimes beat me at chess"
And remember that the question word you have to use when you want to know the fgrequency of an action is "How often?"
Some frequency adverbs can be moved from their normal position and be placed front position, mainly for emphasis: Usually, normally, often, frequently, sometimes, occasionally. "Occasionally, I like to eat Thai food". But the rest of the advers are rarely used in front postion.
We can also use the following expressions when we want to be more specific about the frequency:
- every day - once a month - twice a year - four times a day - every other week. These are usually placed at the end of the sentence.





