[ Modals and Modal Perfects ]
I shouldn’t have invited them.
A. I didn’t invite them.
B. I invited them.

Random Topics:
Nouns FormationWestern Europe CountriesPrepositions & Modal VerbsPhrasal VerbsGrammar: is/are/was/wereProverbsGrammar Present Perfect (ever never)Gerunds, Infinitives and Modals of PossibilityIdentifying Sentence TypesPerfect TensesOther quiz:
Grammar › ViewShe sat ………………. the clinic and waited for the doctor.
A. in
B. to
C. on
D. across
Modal Probability › View
Which sentence correctly uses a modal to express a past impossibility?
A. She must have been there.
B. He might have been late.
C. They can’t have finished already.
D. You should have known.
Simple Present Tense › ViewMy parents ___ in an apartment.
A. live
B. lives
C. living
D. is lived
Present Perfect Continuous › View
Diego _____/_______ playing football so he’s tired
A. have / been
B. has / been
C. has / being
D. have