[ Progressive Perfect and Simple Verb Tenses ]
The past perfect tense is formed by the…..
A. base form of the verb + ed ending
B. past participle
C. have been + present participle
D. had + past participle

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Present Simple/AffirmativeEssential and Nonessential ClausesConditionalsPronoun-Verb AgreementAdjectives, Adverbs, and PrepositionsGrammar ElementaryPast Tense vs Present Perfect TenseGrammar Error Correction (Simple Present Tense)Active and Passive voiceNoun, Quantifiers and SuffixesOther quiz:
Conjunctions › ViewIdentify the subordinating conjunction in the sentence: “Although it was raining, we went for a walk.”
A. Although
B. it
C. was
D. raining
Simple and Past Tenses › View
They ________ food and water to families after the disaster.
A. delivered
B. deliver
C. delivering
D. delivers
