Topics: Modal Auxiliaries and Similar Expressions
Choose the correct sentence using ‘Had better’.
A. You had better to back up your files.
B. You had better backed up your files.
C. You had better back up your files.
D. You had better backing up your files.
Select your answer:

Random Topics:
Auxiliary Verbs (be, do, have)Grammar: AgreementPrepositions - ConjunctionsCoherent Sentence with Correct Grammar StructureActive and Passive voiceModals and Active and Passive VoiceVerbs of movementComparative and SuperlativesPresent Perfect Simple and ContinuousPrepositionOther quiz:
Tenses › ViewI ___ (cook) Japanese food for 3 times. –> Present Perfect
A. cooked
B. have cooked
C. have been cooking
D. will cook
Adverb Clauses › View
By the time Alfonso finally graduated from high school, he_____ seven different schools because his parents moved frequently.
A. attended
B. was attending
C. had attended
D. had been attending
