[ Aspect or tenses of Verbs ]
How to construct a Perfect Progressive Aspect
A. Just the verb in the proper tense (past, present, future)
B. have, has, or had + been + verb-ing
C. to be verb + verb-ing
D. has, have, or had + past participle of the verb

Random Topics:
Active and Passive voiceNarrative Tenses & ConditionalsGrammar - to be, possessive, have gotPresent Perfect ContinuousNoun and PronounPlaces in TownThe Future Simple TenseAction vs Linking Verbs/ Verb PhrasesInfinitives and ING FormsPast form of ModalsOther quiz:
Vocabulary › ViewWhat does ‘design’ mean?
A. He helped ______ the building.
B. The day before tomorrow
C. The highest part
D. It moves people up and down floors
Grammar › View
Which option is not a sentence?
A. He laughed uncontrollably.
B. Rolled along the sidewalk.
C. She loved running at night.
D. Her dog barked and cried.
The Germany’s success has been primarily ———— manufacturing as a low-cost producer.
A. More than
B. In opposition to
C. Due to
D. Despite
E. Nonetheless
Has and Have › View
………….has a teddy.
A. He
B. She
C. I
