Use the perfect verb tenses.
When writing or speaking, demonstrate command of the conventions of standard English grammar and usage.
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Use the progressive verb tenses.
Use verbs to convey a sense of past, present, and future (e.g., Yesterday I walked home; Today I walk home; Tomorrow I will walk home).
Form and use the past tense of frequently occurring irregular verbs (e.g., sat, hid, told).
Ensure subject-verb and pronoun-antecedent agreement.
Form and use the simple (e.g., I walked; I walk; I will walk) verb tenses.
Form and use the perfect (e.g., I had walked; I have walked; I will have walked) verb tenses.