当to是介词时,后跟动词要用ing形式。当to是不定式符号时,后用动词原形。to后面接动词原形,构成动词不定式,to后面还可以接动名词,这时to作介系词来使用。
“to”为介词的英语短语
adjust to doing:调整做……
adapt to doing:适应做……
lead to doing:领导做……
the answer to doing
the exit to doing
the entrance to doing
pay attention to doing:集中做
do harm to doing:伤害
say hello to doing:说你好
be similar to doing