[ Subject Verb Agreement ]
Some of the books on the shelf _____ dusty.
A. is
B. are

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Subject Verb Agreement Irregular VerbDo / Have / Can - Basic QuestionsGrammar ClausesThere is, There are, Some, AnyGrammar & TensesIf ConditionalsQuantifiers: too many, too much & enoughJobsFirst Conditional & Future TensesSimple Past Irregular & NegativeOther quiz:
Tenses › ViewI _____ at Central Station at around six thirty – see you then.
A. will arrive
B. will have arrived
C. will be arriving
D. will have been arriving
Grammar › View
Has he ever ________ (visit) Paris?
A. visits
B. visiting
C. visited
D. visitings