Affect is a verb meaning to influence.
Example: Will lack of sleep affect your game?
Effect is a noun meaning result or consequence.
Example: Will lack of sleep have an effect on your game?
Effect can also be used as a verb meaning to bring about, to accomplish.
Example: Our efforts have effected a major change in university policy.
* A memory-aid for affect and effect is RAVEN: Remember, Affect is a Verb and Effect is a Noun.
Adolescence is is the period of human development that occurs between the onset of puberty and adulthood.
Example: Children who witness violence are more likely to experience violence in adolescence.
Adolescents (plural form of adolescent) are young people who are going through the period of development that occurs between the onset of puberty and adulthood.
Example: These video games are specifically aimed toward adolescents.
Idea is a noun meaning a thought, belief, or conception held in the mind, or a general notion or conception formed by generalization. Example: Jennifer had a brilliant idea—she'd go to the Writing Lab for help with her papers!
Ideal is used as a noun meaning something or someone that embodies perfection, or an ultimate object or endeavor. Example: Mickey was the ideal for tutors everywhere.
or
Ideal is used as an adjective meaning embodying an ultimate standard of excellence or perfection, or the best. Example: Jennifer was an ideal student.
Its is a possessive adjective (possessive form of the pronoun it). Example: The crab had an unusual growth on its shell.
It's is a contraction for it is or it has (in a verb phrase). Example: It's still raining; it's been raining for three days.
* Pronouns have apostrophes only when two words are being shortened into one.
Than is used in comparison statements.
Example: He is richer than I.
or
Than is used in statements of preference.
Example: I would rather dance than eat.
or
Than is used to suggest quantities beyond a specified amount.
Example: Read more than the first paragraph.
Then is a time other than now.
Example: She will start her new job then.
or
Then is next in time, space, or order.
Example: First we must study; then we can play.
or
Then is suggesting a logical conclusion.
Example: If you've studied hard, then the exam should be no problem.
Their is a possessive pronoun. Example: Their books were delivered today.
There means that place. It is a place word, and so it contains the word here. Example: My house is over there.
They're is a contraction for they are. Example: They're making dinner.
*Pronouns have apostrophes only when two words are being shortened into one.
We're is a contraction for we are.
Example: We're glad to help.
*Pronouns have apostrophes only when two words are being shortened into one.
Where means location. It is a place word, and so it contains the word here.
Example: Where are you going?
Were is the past tense form of the verb be.
Example:
They were walking side by side.