[ Grammar ]
What is the helping verb in the sentence: “She has been studying all night.”
A. She
B. has been
C. been studying
Random Topics:
Verbs: Will & Going toAcademic VocabularyModal Verbs & Reflexive PronounsBe Going To vs. WillPassive Modals in Different TensesSubordinate ConjunctionsModal VerbsPresent Perfect Continuous TenseQuantifiers & Modal VerbsPresent and Past TensesOther quiz:
The First Conditional Sentence › ViewIf he ____________ (eat) all that he will be ill.
A. eat
B. is eating
C. eats
D. ate
Unreal Conditionals › View
If he were president , __________ every day a holiday.
A. he will make
B. he would make
C. he made
D. he makes
Subject Verb Agreement › ViewThe percentage of cats ___ risen sharply.
A. have
B. has
Vocabulary › View
fossil fuel; a flammable gas that occurs naturally underground
A. coal
B. oil
C. natural gas
D. nuclear energy
E. renewable resource