[ May, Might ]
I … late today because I may have some extra work to do.
a) may not
b) may be

Random Topics:
Simple Present - WH QuestionsGrammar: Have toSentences and Non SentencesMust Vs Have toWestern Europe CountriesConnectivesModals - Conditionals - Future TensesConditional ClauseWh-QuestionProverbsOther quiz:
Simple Past Tense and Present Continuous Tense › ViewThe children _____and______
A. Sing and dance
B. Were singing and dancing
C. Sang and danced
D. Had sung and danced
Grammar & Vocabulary › View
While we ________ Jane to clean her room, her doorbell rang.
A. help
B. will help
C. have helped
D. were helping
Modal Verbs › ViewI ______ to finish this task today. It’s in the contract.
A. Has
B. Have
C. Can
D. Must
Present Perfect Tense › View
The present perfect tense is made:
A. have/has + past participle
B. had + participle
C. be + verb + -ing
D. have/has + past tense
