Is the verb tense past perfect, present perfect or future perfect? ‘The researchers had published their findings before the conference.’
A. Past perfect
B. Present perfect
C. Future perfect
D. Simple past

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Grammar: wishes and regretsAdjectives vs Adverbs-ed and -ing AdjectivesAdverbs of Frequency & Simple Present TenseSo - Too - Either - NeitherInversions and SubjunctiveFirst Conditional SentencePresent simple or Past simplePunctuation and GrammarGerund, Infinitive & ModalsOther quiz:
Present Tense › ViewIn what event is simple present tense used?
A. Past events
B. Already happened
C. Routinity events
D. Future events
Mixed General Quiz › View
It was ___ cold weather that nobody could go outside.
a. so
b. such
Combine the sentences with a compound predicate.
A. Green iguanas dive underwater to escape predators. Green iguanas can survive falls of 50 feet.
B. Green iguanas dive underwater to escape predators and Green iguanas can survive falls of 50 feet.
C. Green iguanas dive underwater to escape predators and can survive falls of 50 feet.
Simple Tenses › View
Which verb form is correct in Simple Past Tense? “He ___ the door and left.”
A. opens
B. opened
C. is opening
D. will open