[ 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 › ViewHe plays for Manchester United. ………….. footballer.
A. He
B. He’s a
C. He’s
D. He’s an
Vocabulary › View
When driving, it’s important to _____ a safe distance between your car and the car ahead of you.
A. to keep up
B. to give up
C. to pass up
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
