Grammar

    • (US rule) Periods go inside quotation marks (always):

        • Wrong: He said, "That's nice".

        • Right: He said, "That's nice."

    • Commas go inside quotation marks:

        • Wrong: "That's nice", he said.

        • Right: "That's nice," he said.

    • It's "all right" not "alright."

    • Manor/Manner

        • a conversational manner live at the manor

    • Yesterday, I chose to choose a choice.

        • Choose - (verb) to make a choice or selection

        • Chose - past tense of verb choose

        • Choice - (noun) choosing; selection

    • Single thought adjectives have hyphens (two or more words which serve as a single adjective before a noun):

        • computer-based

    • Lengthily/lengthy

        • Lengthily = (adv.) In a lengthy manner; at great length or extent.

        • Lengthy = (adj.) Of considerable length, especially in time; extended: a lengthy convalescence.

    • Affect/effect

        • Common (verb): The arrows affected Ardvark.

        • Common (noun): The effect was eye-popping.

        • Rare (verb): Aardvark hoped to effect change within the burrow.

        • Rare (noun): She displayed a happy affect.

    • Cordination/Coordination

        • Just use coordination

    • Opoosed/oposed

        • Just use oposed

    • Extreemly/extremely

        • Just use extremely

    • Use commas between adjectives as follows:

        • If you can replace the comma with 'and':

        • If you can switch the order of the adjectives:

        • use a comma

        • Else:

        • don't use a comma

    • The plural form of analysis is analyses.

    • Singular vs. Plural in Subject-Verb Agreement (see here)

        • Each is (singular)

    • Loose/lose: He tends to lose his keys." "She lets her dog run loose."

    • peddle/pedal/petal: He peddles (sells) vacuums door to door. He uses his bike pedals. Plants have petals.

See also non-errors.

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