[ Modal Auxiliary Verb ]
‘Ted, are you going to Tia’s birthday party tomorrow evening?’ ‘I don’t think so, I … the dentist.”
A. am having to see
B. have seen
C. have to see
D. had to see
E. would have to see

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Past Continuous Tense & Past ModalsNeither/Either/All/NoneSports VocabularyArticles & PrepositionPast Simple, Present Perfect TenseConditionals and Modal VerbsCompound and Complex SentencesMaritime Vocabulary and GrammarRelative Clauses and UsageCompound AdjectivesOther quiz:
Zero and First Conditionals › ViewIf Justin ___ tonight, Karen will be delighted.
A. cook
B. cooks
C. will cook
Grammar and Sentence Correction › View
I am not doing very (good, well) today.
A. good
B. well
Vocabulary › ViewThe correct meaning for tolerated is…
A. violent
B. flash
C. proof
D. allowed
Tenses › View
What is the main purpose of the past continuous tense?
A. To describe an action that was happening at a specific time in the past.
B. To show a completed action in the past.
C. To indicate a future action.
D. To express a habitual action in the past.
