Is the verb tense past perfect, present perfect or future perfect? ‘The astronomer has observed the comet through the telescope.’
A. Past perfect
B. Present perfect
C. Future perfect
D. Simple past

Random Topics:
ConjunctionsCompound and Complex SentencesThe First Conditional (if/unless)Do / Have / Can - Basic QuestionsPresent ContinuousPast and Past ContinuousIf- ConditionalThe Present Progressive TenseGrammar - Imperatives and LetPresent Progressive or Present SimpleOther quiz:
Grammar › ViewMy brother _________ TV in the morning after he´s done his homework
A. always watch
B. is always watching
C. always watches
D. was always watching
Grammar › View
My grandparents love __________gardening very much. There are a lot of beautiful flowers and fresh vegetables in their garden.
A. to do
B. do
C. doing
D. both “to do” and “doing”
Grammar and Vocabulary › ViewThe beach wasn’t ________ in the photo, so I was disappointed.
A. beautiful than
B. as beautiful as
C. as beautiful than
Mixed General Quiz › View
Jane Austen wrote six full novels.
A. Subject + verb + direct object
B. Subject + verb + indirect object + direct object
C. Subject + linking verb + complement
