名詞后面是todo還是todoing

1、如何判斷一個名詞后面的to是介詞還是不定式符號一、不定式（to do）作定語時，不定式和被修飾名詞之間的邏輯關(guān)系有：主謂關(guān)系動賓關(guān)系動狀關(guān)系同位關(guān)系名詞+to do主謂關(guān)系1. tom is the first man to come.2. i have a letter to be written. 動賓關(guān)系1. i have a letter to write.2. this is a comfortable chair to sit on.動狀關(guān)系(被修飾名詞在邏輯上是不定式動作的時間、地點、方式或原因狀語。)1. its time to go home. (time, year, mo

2、nth, day, hour, season, chance)2. this is not a good place to build a house.3. there is no reason to give up.4. he found a clever way to solve the problem.同位關(guān)系he had to give up his plan to build a new house.介詞to表示“針對關(guān)系、對象關(guān)系、方向關(guān)系”to doing常見的介詞(to doing sth)的短語搭配the key to (unlocking) the doorthe answ

3、er to (answering) the questionthe solution to (solving) the problemthe bridge to (gaining) the knowledgethe way to (getting) the schoolway表示“道路”(path, road)的意思時，后面的to是介詞。eg. despite the great efforts made, there is a long way to go to achieving the goal of controllng the water pollution.consolidatio

4、n1. he was the last one to go to church this morning.2. since mary refuses to do the housework at all, so her family has plenty of housework _(do) by others.3. spring is a very good season to plant trees.4. paris used to be regarded as the most romantic place to live. paris used to be regarded as the most romantic city to live in.5. this could be a stepping stones on the