Question

Identify the tenses that are used in THIS sentence.
76. The owners must have installed the equipment 20 years ago.
A: Present perfect in the passive voice
B: Past tense with a modal
C: Present continuous with a modal.
D: Future perfect in the passive voice
Answer: D

Writeacher
D is incorrect. There is nothing future about the verb in sentence D.

Again, please define "modal" for us.

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