be of great value表示有很高价值
with 表伴随,在此没有这种说法.

The population of China is larger than the population of Canada.
考察比较级
I don't think he will take part in the party.
考察否定前置
Could you connect the printer to the computer?
Could you help me clean up the room?
he is sorting the stamps into the Chinese stamps and the foreign stamps.
He didn't go to bed until his son camehome last night.
考察notuntil句型