0 at the present time, not in the past or future: --
She used to be a teacher, but now she works in publishing.
Many people now own a smartphone.
She's been a vegetarian for ten years now.
The guests are coming any minute now, and the house is still a mess.
And now for what we're going to do tomorrow.
1 used in statements and questions to introduce or give emphasis to what you are saying: --
3 used to give an explanation of a new situation: --
Now I have my car, I don't get as much exercise as I used to.
She's enjoying the job now that she's got more responsibility.
4 fashionable and popular at the present time: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.