[ Grammar: Morphology ]
Refers to the main word that others are built from using prefixes and suffixes.
A. affix
B. prefix
C. suffix
D. root or stem

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Functional Sentence TypesModals Posibility and ProbabilityFuture Tense (will/be going to/p.continuous)Modal Verbs - ObligationComparative and SuperlativesVerbs of movementSubject-Verb Agreement-ing form and the to-infinitive-ing / InfinitivePerfect and Past TensesOther quiz:
Grammar › ViewWhen it began to rain, the children_______ in the yard.
A. played
B. had played
C. were playing
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Her children ____ their homework yet. They are still working on it.
A. has worked
B. is working
C. was working
D. worked