No. Either is singular. It should be "Is either of you available?"
The reason that this sounded correct is that the second person uses "are" whether it is singular or plural, as in "Are you available?" And if you are not referring to immediately available, there is the future tense "Will either of you be available?"
it either is meant to give emphasis to a word or correct a previous error
It means that either the feeling is akward or that they have trailed off and don't know what to say.
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one way communication implies conveyance of info from one point either electronically or orally but without the ultimate feedback. it enables the sender to speak is mind with options available only to and from him. - MWENDWA FROM KAFTEC
'She did not like either candidate' (with candidate in the singular) or 'She did not like either of the candidates,' are more gramatically correct sentences
No. As 'you' refers to either second person singular or plural noun, it takes a plural verb of 'to be'. As you want to refer to the past tense in your sentence, the plural verb of 'to be' in the past tense is 'were'. The correct sentence should be like this: You were not there.
either of them are fine
That sentence is not correct. If you want to keep it as a question as to whether gratitide is less common then it should be "Does gratitude seem to be a vanishing virute?" or if it is meant as a statement the it is "Gratitude is a vanishing virtue."
Some say LEDVILLE and some say LEEDVILLE. Either is gramatically correct but ask the folks down at the Leadville Post Office. They will know.
Best: Contact either John or me.
I would not use either of them. Let's get lawyers a raise! and leave the fact that speaker is a lawyer be inferred from for the context.
I don't have a cat either.
Grammer is correct or not for this sentence
The correct one is either: You will never go either. To use neither, there must be an alternate: You will never go and neither will I.
Either... I know you have it ! Just give it to me ! OR I know you have it, just give it to me !
EITHER USAGE IS CORRECT. The choice is yours.