[ Verb To Be ]
Las tres inflexiones del verbo TO BE son:
A. am – is – are
B. he – she – it
C. an – the – a
D. a – are – am

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Comparison and ModalsConjunction: Because and SoSentence Structure and ConjunctionsWish, Unless, If sentenceGrammar and VocabulariesPassive Voice - Past SimpleModals, Infinitives and GerundsSimple and Progressive Verb TensesTOEIC GrammarDemonstrative PronounsOther quiz:
Future Tenses and Modals › ViewHow do you express a strong obligation with ‘must’?
A. You must + base form of the verb.
B. You must + infinitive form of the verb.
C. You must + past form of the verb.
D. You must + gerund form of the verb.
Grammar › View
Complete the sentence using simple present…
We _____________ 2 kilometers every day.
___
A. walks
B. walk
Grammar › ViewShe _____________________ alone since she was 18.
A. Is living
B. Has been living
C. Lives
D. Have lived
Tenses › View
Future Perfect: By the time you arrive, I ________ all the preparations.
A. will have completed
B. will be completing
C. am completing
D. will have been completing