[ Types of Simple Sentences ]
The smoke alarm battery should be changed at least once a year __
A. ! Exclamatory
B. . Declarative
C. . Imperative
D. ? Interrogative

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Passive SentenceAdjectivesTensesTime ExpressionsPast Simple VerbsGrammar SuffixesVerbs + Gerund or InfinitivePresent Tenses and VocabularyPreference & Future TenseCountable Vs Uncountable NounsOther quiz:
IELTS Grammar › View__________Mount Everest is the highest peak on Earth.
A. a
B. no article
C. the
Verb Tenses and Modals › View
Which sentence uses the Present Perfect tense?
A. Tim had eaten dinner when his friends knocked on the door.
B. Sara will have been working on the project for three hours.
C. I have enjoyed reading ever since I can remember.
D. Do you have any homework tonight?