[ Verb Tenses ]
Identify the tense of the underlined verb phrase in the sentence.
He had been working all day when he decided to go home.
A. present perfect-progressive
B. past perfect-progressive
C. future perfect-progressive
D. past perfect
E. present progressive

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Grammar › ViewAfter the physics lesson, the children know that water ____ at 100 degrees C.
A. will boil
B. is boiling
C. boils
D. boil
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If we had gone to Delhi, we ————the Qutb Minar.
A. would see
B. had see
C. would have seen