[ Modal Verbs ]
It’s a school rule to be on time. → Students __________ be on time.
A. should
B. must
C. can
D. shouldn’t
Select your answer:
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Modal, Causative Verb & Elliptical StructureRelative Clauses with who and whichPast Simple TenseSimple Past Future TenseModal Verbs of Certainty and PossibilityDEGREE COMPARISONSimiles, Metaphors, Personification and HyperboleTenses - Passive VoiceAdverbial Clause of MannerPrepositionsOther quiz:
Modals › ViewWhat is a common mistake made when using modal verbs?
A. Adding “s” to modal verbs
B. Using the base form of the verb
C. Placing “not” before the modal verb
D. Not using “to” after the modal verb
Grammar › View
Then I ______ that there should be in the minerals some unknown element having a much greater radioactivity than uranium or thorium.
A. am thinking
B. think
C. had thought
D. thought