[ Grammar ]
I …………………save energy every day.
A. have to
B. don’t have to
C. had to

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Types of Sentence Structure-ing / InfinitiveSubject Verb Agreement & Subjunctive MoodGrammar: Defining Relative ClausesQuantifiers and AdjectivesNouns FormationApostrophes and GrammarArticles with SubstancesSentence Adverbs & Third ConditionalPronoun Antecedent AgreementOther quiz:
Adjective Clause and Adverb Clause › ViewShe needed to find new homes for them, but she didn’t know ________ .
A. whom should she ask
B. whom she ask
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Grammar › View
The formula for present simple
A. Subject+verb+(present/v1)
B. Subject+ am/is/are+ verb(ing)