Is this your first time here?

is Verb

— A form of the verb be when talking about someone or something else. He is late for class. Is it hot in here?

this Determiner

— You use this to show which thing or idea you are talking about. You use it when the thing or idea is close to you. This trip was a great idea. Which book is yours, this one or that one? — The known thing. This man went to the door.

this Demonstrative Determiner

— The thing indicated. This is my hand.

your Pronoun

— Your things are things which belong to you. Can I eat some of your ice-cream please?

first Adjective

— The first thing is the one that is number one (1) in order. I have no older brothers. I was the first child.

first Adverb

— If something is first, it is before anything else. He was the fastest in class and usually finished everything first. First, I should say that we're happy to see you all here today. — Never before. I first went to Japan in 1994. — At the beginning. When we were first married, everything was wonderful.

first Noun

— A first is something that has not happened before. A dog walking on stilts? Well, that is a first.

time Noun

— Time is what we measure with a clock. "What time do you finish work?" "At four o'clock (4:00)." I don't have time to talk to you right now. Can we do it later? — If you do something one time, you do it once.

time Verb

— If you time something, you measure how long it takes in seconds, minutes, hours, etc. Take out your watch and time yourself during the test.

here Preposition

— In this place, the current location. Why are you looking over there for the book? It's right here.