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.