Verbs are words that describe an action, occurrence, or state of being. The tense of a verb refers to the time of the action or state of being

Question #1: 
Which verb tense is being used in the following sentence? 
My sister has read that book at least 20 times. 
Past perfect 
Present perfect 
Future perfect 
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Question #2: 
Which verb tense is being used in the following sentence? 
Caleb will have finished all of his chores before dinner. 

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Past perfect 
Present perfect 
Future perfect 
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Question #3: 
Which verb tense is being used in the following sentence? 
Because of the cold temperatures, she had decided to stay indoors. 
Past perfect 
Present perfect 
Future perfect 
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Question #4: 
Which of the following sentences is written in the present perfect tense? 
I will have finished all of my homework by then. 
I had finished all of my homework by then. 
I have finished all of my homework. 
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Question #5: 
How would you change the following sentence so that it is written in the past 
perfect tense: 
Jim will have taught school for 15 years by then. 
Change will have taught to did teach 

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Change will have taught to had taught 
Change will have taught to will teach 
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