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Anonymous Posted 20 years ago
Grammar

questions about question form sentence. help!

I have many issues with subject verb agreement when the sentence is a question form. For examples:

1) Have you eaten today?

2) Did you eat my pizza?

3) What do the frogs say?

4) What does the dog say?

In #1 why is it "eaten" not "eat"?

In #2 why is it "eat and not "eaten"?

In #4 is not "says"

I have tried to search the text books but unable to get clear explanation. If the subject is too complicated to explain then please point me to the right reference/topic to get the answer.

Please help.
  

Top answer

#1 is present perfect ( have + past participle) verb form. #2 is simple past ( did + dictionary verb form for questions) #4 is simple present ( do/does + dictionary verb form for questions). The third person -s appears in the operator, do (does) , not in the main verb.

  • #1 is present perfect ( have + past participle) verb form.
  • #2 is simple past ( did + dictionary verb form for questions) #4 is simple present ( do/does + dictionary verb form for questions).
  • The third person -s appears in the operator, do (does) , not in the main verb.
  • )
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3 Answers
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#1 is present perfect (have + past participle) verb form.
#2 is simple past (did + dictionary verb form for questions)
#4 is simple present (do/does + dictionary verb form for questions). The third person -s appears in the operator, do (does), not in the main verb.

(Edited to fix the error that the next Anonymous post mentions.)
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So #2 should have said "Did you ate my pizza?" right?
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Oops! No-- mental slip; it should read dictionary form, as with the present form question. Now I must go back into my previous post and fix my mistake before other readers are confused by it.

Sorry.

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