Which of the following sentences contains an infinitive?
A.
Courtney traveled to the mountains each year for a ski trip with her family.
B.
Komail practiced playing his guitar to his animals before each big recital.
C.
My best friend led the class in singing "Happy Birthday" to our teacher.
D.
Rick promised to listen to his aunt while he was visiting her for a week.***
The correct answer is D, "Rick promised to listen to his aunt while he was visiting her for a week."
The sentence that contains an infinitive is D. "Rick promised to listen to his aunt while he was visiting her for a week."
The sentence that contains an infinitive is D. "Rick promised to listen to his aunt while he was visiting her for a week."
To identify the infinitive in a sentence, you need to look for the word "to" followed by a verb. In this case, the infinitive is "to listen."