thy is single :)
Shakespearean English is considered modern English, so the answer is "our"
In Shakespearean English, "can't" would be expressed as "can not" or "cannot".
No, Shakespearean is not single.
"Jesting" is often used as a the word for joking in Shakespearean texts. For example, "Surely you do jest!"
Hath is how you say has in Shakespearean times.
i' - in
Shakespearean language is English. "I will kill you" is perfectly straightforward English and means "I will kill you".
It's the same as in 21st Century English, however it was written as 2 words ("in deed") until about 1600.
In Shakespearean language, you can say "Halt!" or "Cease!" to mean stop.
In Shakespearean language, you can say unpleasant as "unlovely" or "displeasing."
Shakespearean isn't a language...
Shakespearean Language is in fact English, basically the same as you speak, so the word "that" is in fact "that" in Shakespeare. e.g. "No more THAT Thane of Cawdor shall deceive our bosom interest." or "To be, or not to be, THAT is the question."