[ Verb Tense ]
Is the verb tense past perfect, present perfect or future perfect? ‘The physicist has calculated the trajectory of the particle.’
A. Past perfect
B. Present perfect
C. Future perfect
D. Simple past
Select your answer:

Random Topics:
Verbal TensesVerb to betoo / enoughSubordination ConjunctionsPast and Future TensesVocab CheckingPresent Continous TensePresent Tenses: Simple vs ContinuousInfinitives for reasonsDependent PrepositionsOther quiz:
Grammar › ViewPatrick worried that his knee injury would affect/effect his ability to play in the upcoming soccer tournament.
A. affect
B. effect
Grammar › View
The girl with __________ you are dating is my sister.
A. who
B. whom
C. which
D. whose