[ Interjections, Tag Questions and Nouns of Direct Address ]
How can tag questions be used in scientific surveys?
A. To confirm responses
B. To list questions
C. To describe methods
D. To summarize data

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Modals and Past ModalsGerund - to Infinitive Pronoun Antecedent AgreementPrepositions & Prepositional PhrasesComparative and SuperlativesPresent Progressive (Future)Passive and Active VoiceEmployment VocabularySimple TensesDemonstrative SpeechOther quiz:
Noun Phrases and Adverbials › ViewWhich of the following is an expanded noun phrase?
A. The cat
B. The fluffy, white cat
C. Cat
D. Fluffy
Tenses and Verbs › View
Fill in the blanks with am, is, are (present tense) and was, were (past tense) The boys ___ talking.
A. am
B. is
C. are
D. was
E. were
Grammar › ViewWhat __________ when the boss came into the office?
A. have you done
B. was you doing
C. were you doing
D. did you do
Grammar Rules › View
We use this verbal tense with future arrangements, especially travel ones.
A. Simple Present
B. Present Continuous
C. Simple Future
D. Going To
