[Grammar] To have yet to

That said,my very first question I shall post to this forum is the proper labeling of the phrase " to have yet to".

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For example,in the sentence "UPS has yet to come",is the phrase "has yet to come" the complete verb phrase of the sentence,with the auxiliary being "has yet to" and the main verb "come"?

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Gianni X. Wong said:

Hi,
I am new to this forum. I am an avid student of the American English grammar and its usage,focusing primarily on the correct use of formal English. In the future,I will be seeking answers for many of my grammar questions related to the proper identifications of modifiers and the word or word groups they modify,preferably from English professors at well-regarded colleges or universities.


That said,my very first question I shall post to this forum is the proper labeling of the phrase " to have yet to". Is it considered an auxiliary or helping verb which conjugates with the infinitive form of a main verb? For example,in the sentence "UPS has yet to come",is the phrase "has yet to come" the complete verb phrase of the sentence,with the auxiliary being "has yet to" and the main verb "come"?
And what about the phrase "to be yet to" as in "I am yet to be convinced of the benefits of Yoga",or as in "He is yet to start his career"? Is it acceptable in formal English as an interchangeable form of "to have yet to",or is it non-standard or informal usage?


Thanks in advance for any proper response,
Gianni

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Gianni X. Wong said:

Dear 5jj,
The phrase "have yet to" is widely accepted as standard,formal English in America;and according to my studies both at the intermediate and collegiate level,the sentence "UPS has yet to come" is both "natural"(to quote you) and formal English;in fact,it's regarded as highly formal,even more so than the more common expression "UPS has not come yet". You can cross reference my analysis with any accredited college professor,and he(or she?) will agree with my observations. All I wanted to know was whether the phrase "have yet to come" is considered as an auxiliary verb,for I already learned everything else there is to know about this expression.

Sincerely,
Gianni

Sincerely,
Jian

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Gianni X. Wong said:

All I wanted to know was whether the phrase "have yet to come" is considered as an auxiliary verb,for I already learned everything else there is to know about this expression.

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