而不用ing则往往是一个句子,一般是祈使句.
如:Walking in the street , she saw an old friend.(=When she was walking in the street 当她在街上散步时,她看到她的一个老朋友.
Go down the street,and you'll see the house.(沿街走下去,你就会看见那幢房子)
而不用ing则往往是一个句子,一般是祈使句.
如:Walking in the street , she saw an old friend.(=When she was walking in the street 当她在街上散步时,她看到她的一个老朋友.
Go down the street,and you'll see the house.(沿街走下去,你就会看见那幢房子)