[ Modals, Conditionals, and Clauses- Defining, Non-defining ]
Anna reminds herself, “I mustn’t forget to call my grandmother.” Which option best describes the correctness of this sentence?
A. mustn’t forget
B. mustn’t to forget
C. mustn’t forgetting
D. mustn’t have forgotten

Random Topics:
Sentence StructureComparison DegreePreposition FormPrepositions and Prepositional PhrasesModal Verbs & Perfect InfinitiveModals and Modal PerfectsSo / Neither / Either / TooDirect Object and Indirect ObjectGrammar: so and suchModal, Causative Verb & Elliptical StructureOther quiz:
Grammar › ViewYou can ……………. high blood pressure by following a low-fat diet.
A. protect
B. finish
C. prevent
D. cut
Grammar › View
She _______ her homework by the time her parents arrived.
A. will finish
B. was finishing
C. had finished
D. is finishing
Noun / Pronoun › View. Identify the indefinite pronoun in the following sentence: “Someone left their umbrella in the hallway.”
A. their
B. left
C. someone
D. umbrella
Noun Phrases › View
What period of time does this refer to?
before the war
A. general past time
B. specific past time
C. present
