[ 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:
Definite and Zero Article › ViewShe was seriously ill, she had _measles. So we called _ doctor that my mom knew very well.
A. the, a
B. a,the
C. -(the), the
D. -, a
Modal Verbs and Conditionals › View
These are the kinds of verbs that sometimes behave irregularly in English.
A. Action verbs
B. Dynamic verbs
C. Modal verbs
D. Stative verbs
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
