The first sentence in each set contains a two-part verb (to have and a past participle). The second sentence contains a fixed-form helping verb and a blank. Select the correct form of the main verb for the second sentence.
-Ellen has practiced flips for hours. Ellen could ___________________ flips for hours.
A) practice
B) practices
C) practiced

Question

The first sentence in each set contains a two-part verb (to have and a past participle).  The second sentence contains a fixed-form helping verb and a blank.  Select the correct form of the main verb for the second sentence.
-Ellen has practiced flips for hours. Ellen could ___________________ flips for hours.
A) practice
B) practices
C) practiced

Quizplus · Accepted Answer

The correct form is "practice" because "could" is a modal verb that is followed by the base form of the main verb.

The First Sentence in Each Set Contains a Two-Part Verb