第1个回答 2012-04-16
(1)to do不定式 如:agree to do, offter to do, try to do, forget to do, remember to do, decide to do, plan to do等等
(2)to +v.ing 当 to 是介词的时候,气候就可以加ing 如:prefer...to... eg: i prefer playing football to playing basketball. 相似的有:look forwark to,