1it 
/ˈɪt, ət/ pronoun
/ˈɪt, ət/ pronoun 1 : that one just mentioned — used to refer to an object or substance ▪ I caught the ball and threw it back. ▪ He saw the car and immediately wanted to buy it. ▪ She tasted the powder and it was sweet. — used to refer to a living thing whose sex is unknown or is being ignored ▪ I don't know who it is. ▪ “Who is it?” “It's only me.” ▪ There is a rosebush near the fence, and it is now blooming. ▪ A fly landed on the table and I swatted it. ▪ He heard the baby crying and brought it some milk. — used to refer to an idea, quality, emotion, etc. ▪ Beauty is everywhere, and it is a source of great joy. 2 — used as the subject of a verb that describes a condition or occurrence ▪ It is cold/hot/raining/snowing outside. ▪ It is (getting) late/dark. ▪ It will soon be summer. ▪ What time is it? ▪ It is ten (minutes) after four (o'clock). ▪ It hurts when I sneeze. ▪ It is almost summer. ▪ It is only a short walk to the beach from here. 3 — used in the place of a noun, phrase, or clause that usually comes later ▪ It hurts me to sneeze. [=to sneeze hurts me] ▪ It is not necessary (for you) to repeat the whole thing. ▪ It makes me happy just to think about her. ▪ It is wonderful being back here again! ▪ It is a long way to the next town. ▪ It is said/believed that he died of a broken heart. ▪ They made it clear that they needed our help. ▪ I take it that there was some problem. ▪ It is me you are looking for. = (formal) It is I you are looking for. ▪ It was here that I lost my way. ▪ It was in this city that the treaty was signed. 4 — used to refer to something that has been done or is being done or is going to be done ▪ We're going to have to do it again. ▪ Quit it! [=stop doing what you are doing] ▪ You've been arguing all afternoon. Now cut it out! [=stop arguing] ▪ Please do it right away. ▪ Okay, go to it! [=do the thing you are going to do] 5 — used as a direct object with little or no meaning ▪ We hoofed it all the way back to camp. [=we walked all the way back to camp] ▪ We decided to rough it on vacation this year. [=to have our vacation somewhere where we would not have our normal comforts] ▪ living it up [=doing exciting and enjoyable things; spending money freely while enjoying life] ▪ She offered to come with me, but I decided to go it alone. [=to go by myself; to go alone] 6 : the general situation : things in general
▪ How's it going? ▪ It hasn't been the same since you left. 7 : something previously discussed or known
▪ When the bell rings, it means that class is over.
▪ How's it going? ▪ It hasn't been the same since you left.
▪ When the bell rings, it means that class is over.
ask for it — see ask
do it — see 1do
in for it — see 1for
nothing to it — see 1nothing
out of it — see 1out
that is it or that's it
informal 1 — used to say that something is finished or completed ▪ Okay, that's it. You can go now. 2 — used to say that something is all that is needed or wanted ▪ I came here to visit the museum and that's it. [=that is all I wanted to do here] 3 — used to say that something is correct ▪ “I can't remember his name.” “I think it was Brian Johnson.” “Yes, that's it.” 4 — used in an angry or annoyed way to say that you will not accept any more of something ▪ That's it! I'm leaving!
this is it
informal — used to say that this is the most important or final point ▪ Well, this is it—the day we've been waiting for.
