When I was younger I could stay up all night and not get tired. It was so noisy that we couldn't hear ourselves speak. You said we could watch TV when we finished our homework. We asked if the computer could access the internet. She walked off before I could say anything.
We use could to show that something is possible, but not certain: They could come by car. (= Maybe they will come by car.) They could be at home. (= Maybe they are at home.) We use can to make general statements about what is possible: It can be very cold here in winter. (= It is sometimes very cold here in winter.)
You use could when you are expressing strong feelings about something by saying that you feel as if you want to do the thing mentioned, although you do not do it.
Both sentences could mean the same thing, however I like you best. I like chocolate best, better than anything else can be used when what one is choosing from is not specified I like you the best. Between chocolate, vanilla, and strawberry, I like vanilla the best can be used when choosing from some choices.
"Which one is the best" is obviously a question format, so it makes sense that " which one the best is " should be the correct form. This is very good instinct, and you could even argue that the grammar is good, but at best it's unnatural.
Thi Bui’s graphic novel about her family’s exodus from Vietnam begins in New York, where she is giving birth to her son – a tiny, jaundiced mite who has a “faraway face with old man eyes”. Over the ...