[ Tenses ]
They have been playing tennis since morning.
A. Present Simple:
B. Present Continuous:
C. Present Perfect:
D. Present Perfect Continuous:

Random Topics:
Present, Past and Future TensePast Simple or Past ContinuousSimple Compound and Complex SentencesModals and TensesTransitive and Intransitive VerbArticles and PronounsAspect or tenses of VerbsPhrases and ClausesSentences and Non SentencesSubject Verb Agreement Irregular VerbOther quiz:
Grammar › ViewWhich of these is correct?
A. We am friends.
B. We is friends.
C. We be friends.
D. We are friends.
Relative Clauses › View
Reduce the relative clause:
My friends who are studying in Italy will be at the party.
A. My friends who studying in Italy will be at the party.
B. My friends studying in Italy will be at the party.
C. My friends studied in Italy will be at the party.
Grammar › ViewChoose the correct form of the verb to complete the sentence.
Everyone ______ to speak at the meeting.
_
A. has
B. have
Grammar › View
We _________ our grandparents this summer.
A. have visited
B. visiting
C. are visiting
D. will be visied
