[ Future Perfect Continuous Tense ]
Your children … paintball in my back yard for more than two hours by the time you pick them up.
A. will have been playing
B. will have been being playing

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Causative VerbPresent / Future / Present Progressive / non Action VerbsDefinite, Indefinite and Zero ArticlesVerbs with Prepositions and ConjunctionsSpellingQuestion TagTime PhrasesContrast Linking WordsPerfect and Past TenseIf ConditionalsOther quiz:
Grammar › ViewJohn said he might …….. some eggs for dinner.
A. fry
B. to fry
C. to frying
D. frying
Grammar › View
If I ……………………….. her number, I would call her.
A. know
B. knew
C. had known
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A. small orange
B. huge blue
Simple Past Tense › View
I ________________ to the mall after school.
A. Goes
B. Went
C. Gone
D. Goed