[ Grammar ]
What is the helping verb in the sentence below?
She is building a sand castle.
_
A. she
B. is
C. building
D. sand castle

Random Topics:
Past Perfect Simple & Past Perfect ContinuousModal Verbs and Permissionmust/shouldPersonificationContinuous and Perfect TensesClauses of ReasonAction vs Linking Verbs/ Verb PhrasesQuestion tag and + - AgreementPresent Perfect and Past SimpleSimple Present - WH QuestionsOther quiz:
Past Participle › ViewHave you fixed the … chair yet?
- broken
- broke
- break
Grammar › View
Is the following sentence correct?
My dog Floyd, with Buster the cat, like to play with money; the cat swats crumpled bills onto the floor where the dog shreds them to pieces.
A. Correct
B. Incorrect
Each of the athletes (train/trains) hard for the competition.
A. train
B. trains
Conjunctions › View
I couldn’t repair my bike, _____ I didn’t have the right tools.
A. so
B. for
C. because of
D. therefore
