What is the primary use of the past perfect continuous?
A. To show habitual actions in the past.
B. To emphasize the duration of an action before another past action.
C. To describe actions happening at the same time.
D. To show a completed action in the past.

Random Topics:
Modals and AdviceHave to/Has toGerund or to InfinitiveArticles & PrepositionPassive Voice Active VoiceModals VerbsPresent & Past TensesAsking & Giving AttentionConjunctions and TransitionsTo infinitive - GerundOther quiz:
Infinitives › ViewWhat is the infinitive phrase in the following sentence?
In the mall, we want to walk quickly to the food court.
_
A. to walk
B. to the food court
C. In the mall
D. to walk quickly to the food court
Tenses › View
What is the correct sentence in the future simple tense?
A. I will go to the beach tomorrow.
B. I am going to the beach yesterday.
C. I goes to the beach tomorrow.
D. I going to the beach now.
Grammar and Vocabulary › ViewCheck the word that is different from a light.
A. a lamp
B. a towel
C. a remote control
Grammar › View
Wei Ming and Wei Li have many watches. Those watches are _____________.
A. ours
B. yours
C. theirs
