[ Progressive Perfect and Simple Verb Tenses ]
I had been working under the supervision of Mr. Williams.
A. past
B. past progressive
C. past perfect progressive
D. past perfect

Random Topics:
Sentence Structure and Grammar RulesNoun PhrasesDirect Object and Indirect ObjectModals VerbsRelative & Interrogative PronounsRegular and Irregular VerbsDemonstrative PronounArticles A and AnAdjectives (-ed / -ing)Present Simple QuestionsOther quiz:
Grammar › ViewThat is a _________ ________ balloon.
A. small orange
B. huge blue
Simple Past Tense › View
I ________________ to the mall after school.
A. Goes
B. Went
C. Gone
D. Goed
How can you formally grant permission using ‘may’?
A. No, you may not.
B. Of course, you can.
C. Yes, you may.
D. Could you?
Preposition of Time › View
I always get up very early _____ the morning.
A. in
B. on
C. at
