When to Use Affecting or Effecting?

Affect is usually a verb meaning "to produce an effect upon," as in "the weather affected his mood." Effect is usually a noun meaning "a change that results when something is done or happens," as in "computers have had a huge effect on our lives." There are exceptions, but if you think of affect as a verb and effect as ...

Are you affected or effected by something?

Affected can be used as a past tense verb that means influenced or changed. It can also be used as an adjective to refer to a noun that has been affected (the affected body part). Effected is a past tense verb that means brought about or achieved. It's a very subtle difference from affected.

When to use affect or affecting?

Affect is a verb – “to affect” – meaning to influence or have an impact on something. Effect is the noun – “an effect (a positive or a negative effect) is the result of being affected by something. There is also a verb “to effect”, which means to bring something about – “to effect a change”.