Topics: Present Simple & Continues
Please be quiet. I …… trying to concentrate.
A. Am
B. Is
C. Were
D. Are
Select your answer:

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Passive and Active Voice › ViewChange into passive: “You must fasten the seat belt.”
a. The seat belt needs fasting by you .
b. The seat belt must be fasten (by you).
b. The seat belt must fasten (by you).
d. The seat belt must have fasten by you.
Identifying Tenses › View
He had forgotten to take his umbrella .
A. Past simple
B. Past perfect
C. Present perfect
D. Past perfect progressive
