[ Grammar ]
What would happen if somebody_______ that button?
A. had pressed
B. presses
C. press
D. pressed

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Past Perfect and Past Perfect Continuous TenseVocabulary and Sentence StructureGrammar, Literature, and VocabularyExpressing Obligation and ModalsQuestion WordsConditional Sentence Type 1Grammar Present Perfect (ever never)First ConditionalGrammar: wishes and regretsModals and ConditionalsOther quiz:
Present/Past/Past Particple › ViewWhat is the past participle of “work”?
A. worked
B. works
C. working
Vocabulary › View
the act of paying careful attention to gather information; a statement based on paying careful attention to something
A. observation
B. theory
C. conclude
D. evidence
Present Tenses › ViewMesa……………(already/write) a letter
A. have already written
B. already writes
C. has already writen
D. has already written
Narrative Tenses › View
By the time the firefighters __________ (arrive), the fire __________ (already/destroy) the house.
A. arrived, had already destroyed
B. arrived, already destroyed
C. had arrived, had already destroyed
D. had arrived, already had destroyed
