English • Grammar
Subject-Verb Agreement
basic Level
Formula
Singular subject + singular verb. Plural subject + plural verb.
Explanation
Verb must agree with subject in number and person.
Example
The dog is happy. (singular) / The dogs are happy. (plural)
Quick Trick & Mnemonic
QUICK TRICK: Find main subject (ignore phrases between subject and verb). Match verb to main subject.
Related Formulas
Grammar
Tense Usage - Past, Present, Future
Simple: base action. Continuous: -ing form. Perfect: have/has/had + past participle
Vocabulary
Word Roots - Latin Prefixes
Common prefixes: un-, re-, pre-, dis-, mis-, over-, under-, de-, in-
Vocabulary
Synonyms and Antonyms
Synonyms = similar meaning. Antonyms = opposite meaning.