from now on是什么時(shí)態(tài)

　　From now on I'll be more careful.

　　從今以后，我會更加細(xì)心。

　　From now on you can work on your own.

　　從現(xiàn)在起你可以獨(dú)自工作。

　　From now on events moved reasonably quickly.

　　從此，事情發(fā)展得相當(dāng)快。