Grammar and Usage

accept, except. Accept means to receive. The verb except means to leave out.
Ex. Please except the opening paragraph of my essay.

Adjectives confused with adverbs.Good and bad are adjectives. They must modify a noun or pronoun.
Ex. John feels good. I feel bad.

adverse, averse. Adverse means opposing; adverse conditions. Averse means disinclined. It applies to people.
Ex. He was adverse to marriage.

affect, effect. Affect is a verb meaning to influence or to assume.
Ex. His attitude affected his grades. She affected a southern accent.
       Effect as a verb means to accomplish.
Ex. He effected a change in the rules.