It is essential that boarding cards …………… before passengers get on the plane.
A. having been checked
B. to be checked
C. would be checked
D. be checked

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-ing &-ed AdjectivesPresent and Past Simple PassiveAdverbs and Time ExpressionsWish SentenceActive Voice-Present tenseTenses, Tag Questions, Phrasal VerbsPassive Voice - Past SimpleVerb-ing and InfinitiveAdverb Clauses of TimeMuch, many, a lot of, a few, a littleOther quiz:
Vocabulary and grammar › ViewI’ll pay you double _______ you get the work finished by Friday.
A. unless
B. if
C. even if
D. as long as
Mixed General Quiz › View
___ an afternoon strolling in the huge shopping malls where you find all sorts of stores, from the most sophisticated to the simplest ones.
a. To spend
b. Spend
c. Spending
d. Spent
Choose the correct statement FORMATION of the Simple Present Tense
A. Sub + was + ver+ing + extra information
B. Sub + base verb+ was + include ‘s’, ‘es’ and ‘ies’ + subject + verb
C. Sub + base verb + include ‘s’, ‘es’ and ‘ies’ + subject + verb
D. Sub + was + extra information
Grammar › View
Choose the correct auxiliary verb
…… you like another cup of coffee?
A. Should
B. Would
C. Shall