Past simple
Cleft sentences
Verb tense
Past perfect
Present perfect
present perfect simple
Adverb
Subject + Verb in the past form (base form of the verb + ed/d for regular verbs or past tense form of the irregular verbs)
Subject + have/has + past participle + the rest of the sentence
a complex sentence that emphasizes an element by rearranging the normal word order of a simple sentence
the form of a verb indicating when an action takes place or when a condition exists.
a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group,
subject + "had" + the past participle
the appropriate form of the auxiliary verb to have (present tense), plus the past participle of the main verb.