They have completed their task. (Change into interrogative sentence.)
Answers
Answer:
Have they completed their task?
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Answer:
ok
Explanation:
Interrogative Sentence (question)
Is it safe?
Dr Szell, Marathon Man
Interrogative sentences are one of the four sentence types (declarative, interrogative, imperative, exclamative).
Interrogative sentences ask questions.
form function example
auxiliary verb + subject + verb... ask a question Does Mary like John?interrogative sentence = question
What is the form of an interrogative sentence?
The typical form (structure) of an interrogative sentence is:
auxiliary verb + subject + main verb
Do you speak English?
main verb BE + subject
Were you cold?
If we use a WH- word it usually goes first:
WH-word auxiliary verb + subject + main verb
When does the movie start?
The final punctuation is always a question mark (?).
Interrogative sentences can be in positive or negative form, and in any tense.
What is the function of an interrogative sentence?
The basic function (job) of an interrogative sentence is to ask a direct question. It asks us something or requests information (as opposed to a statement which tells us something or gives information). Interrogative sentences require an answer. Look at these examples:
Is snow white? (answer → Yes.)
Why did John arrive late? (answer → Because the traffic was bad.)
Have any people actually met an alien? (answer → I don't know.)
How do we use an interrogative sentence?
We use interrogative sentences frequently in spoken and written language. They are one of the most common sentence types. Here are some extremely common interrogative sentences:
Is it cold outside?
Are you feeling better?
Was the film good?
Did you like it?