Helping Verb VS. Auxiliary Verb

[Odessa Dawn]

I was asked to differentiate between helping verb & auxiliary verb but I couldn’t. I doubt it was a trick.
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[bhaisahab]

I was asked to differentiate between helping verb & auxiliary verb but I couldn’t. I doubt it was a trick.
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Who asked you to do that?

 

[Odessa Dawn]

[h=2][FONT=&quot]One of my friends was asked to differentiate between them. Surely "an [/FONT]interviewer" [FONT=&quot]since he is a job seeker & I think the [/FONT]interviewer [FONT=&quot]did try to trick him, IMO. Then he asked me but I preserved to answer him to avoid making mistake.[/FONT][/h]

 

[bhaisahab]

One of my friends was asked to differentiate between them. Surely "an interviewer" since he is a job seeker & I think the interviewer did try to trick him, IMO. Then he asked me but I preserved to answer him to avoid making mistake.

Yes, it looks to me like he tried to trick him.

 

[5jj]

I doubt it was a trick.

You don't doubt it was a trick. You believe/ think it was a trick.

Then he asked me but I preserved to answer him to avoid making mistake.

You declined/refused to answer.

There is no difference between 'helping' and 'auxiliary' verbs. The former term is less formal, that's all.