[ Grammar ]
They have been waiting for hours.
A. Non-Finite Clause
B. Finite Clause

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Grammar-Present Continuous-Sentence MakingPrepositions and Phrasal VerbsModals, Infinitives and GerundsFrequency AdverbsOffering HelpAdjective & AdverbQuestion Tags in Verb TensesHow much or How many?Do / Have / Can - Basic QuestionsGender and GrammarOther quiz:
Countable and Uncountable Nouns › ViewCoffee is a/an ________ noun.
A. Coffee makes me feel nervous.
B. uncountable
C. countable
Conditionals › View
If you ………. (do) exercise every day, you ………. (be) fit.
A. do/ are
B. does/are
C. do/is
D. does/are
Modal Verbs › ViewKento has been studying very hard. He _______ do well in his coming exam.
A. should
B. may be
C. may not
D. needs to
Homonyms › View
I like spaghetti ___ I don’t eat it often.
a. but
b. butt