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:
Present Tense vs Present Continuous › ViewChildren normally (have) more time to play, but they (not/have) much time to play today.
A. have, are not having
B. have, do not have
C. are having, do not have
D. are having, are not having
Subject Verb Agreement › View
Which of the following nouns is plural in form but singular in meaning?
A. Diabetes
B. Rabies
C. Teeth
D. Thieves
Grammar › ViewChoose 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