[ Essential and Nonessential Clauses ]
Which of these is needed to make the sentence make sense?
A. Essential clauses/phrases
B. Nonessential clauses/phrases

Random Topics:
Grammar: so and suchSentence Structure and ConjunctionsPassive with ModalsPast Simple and Past Continuous TensesAdjectives & PrepositionsConditional SentenceMuch, many, a lot of, a few, a littleParticipal PhrasesTenses and Verb FormsAdjectiveOther quiz:
Comparatives › ViewMy English is __________________ than my French.
a. good
b. better
c. best
d. goober
Grammar › View
Upon hatching, _______
A. young ducks know how to swim
B. swimming is known by young ducks
C. the knowledge of swimming is in young ducks
D. how to swim is known in young ducks
Past Tenses › ViewWhich tense is used to describe an action in progress, or a repeated action that happened another event?
A. Past Simple
B. Past Continuous
C. Past Perfect
D. Past Perfect Continuous
Narrative Tenses › View
He ______ for an hour before he realized it was time to leave.
A. worked
B. was working
C. had been working
