You use every to indicate that you are referring to all the members of a group or all the parts of something and not only some of them.

If you say that someone's every whim, wish, or desire will be satisfied, you are emphasizing that everything they want will happen or be provided.

You use every to indicate that you are referring to all the members of a group or all the parts of something and not only some of them.

You use every in order to say how often something happens or to indicate that something happens at regular intervals.

You use every in front of a number when you are saying what proportion of people or things something happens to or applies to.

You can use every before some nouns, for example 'sign', 'effort', 'reason', and 'intention' in order to emphasize what you are saying.

You use every in the expressions every now and then, every now and again, every once in a while, and every so often in order to indicate that something happens occasionally.

If something happens every other day or every second day, for example, it happens one day, then does not happen the next day, then happens the day after that, and so on. You can also say that something happens every third week, every fourth year, and so on.