are
This expression "It is you who to go" has a able which past tense simple explanation.
The "it" in that expression is empty or dummy. So, it only introduces the notional subject (i.e. the subject with a meaning)
Therefore, the
"you".
"who" is a relative element which
relates events with pronouns or nouns. So, the verb that should follow
"you" cannot be anything than "are". In other words, the correct statement should be
"(It is) you (who) are to go"
are
This expression "It is you who to go" has a able which past tense simple explanation.
The "it" in that expression is empty or dummy. So, it only introduces the notional subject (i.e. the subject with a meaning)
Therefore, the
"you".
"who" is a relative element which
relates events with pronouns or nouns. So, the verb that should follow
"you" cannot be anything than "are". In other words, the correct statement should be
"(It is) you (who) are to go"