no but if you add a comma and some words it is
Yes, I can start a sentence with "Is."
No, a comma is not needed after "yes" when starting a sentence.
Yes. In "You baked a cake", "you" is the subject.
No, it is not a complete sentence. It is a fragment.
Yes. A sentence that ends with a question mark is called an interrogative sentence.
Yes, that is a sentence use upswing yes.
Yes, I can start a sentence with "Is."
yes
Yes, "Who are you?", is a correct sentence.
yes (or no) but if we are to take it the sentence is 'are you lying?' then the answer is yes or no.
No, a comma is not needed after "yes" when starting a sentence.
Yes, I can! Yes, your Honor. Yes, your Grace.
Yes. In "You baked a cake", "you" is the subject.
Yes, this sentence is correct.
Yes, "This was it" is a simple sentence.
No, it is not a complete sentence. It is a fragment.
Yes. A sentence that ends with a question mark is called an interrogative sentence.