[ Verbs ]
They _______ worry.
A. Feels
B. Feeling
C. Felt
D. Feeled

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Gerunds as Objects of PrepositionsRegular and Irregular AdverbVerb Tenses (Progressive, Perfect)Linking VerbsNoun Phrases and Verb PhrasesHelping and Linking VerbsGrammar Present Perfect (ever never)Tenses and Time MarkersModal Auxiliaries and To Be VerbsGerund and InfinitivesOther quiz:
Grammar › ViewTransfer this Active Voice sentence into the Passive one:
“The company is still constructing the building.”
A. The building is still constructed.
B. The building is still been constructed.
C. The building is still being constructed.
D. The building is still have being constructed.
Tenses › View
Which tense is used in the sentence “They were studying when the power went out”?
A. Past Continuous
B. Future Continuous
C. Simple Past
D. Simple Present