内容正文:
Unit 2 Natural disasters
Grammar and usage
To-infinitives as attributives and adverbials of result
高中英语 必修(第三册)
By the end of this section, you will be able to:
1. identify(识别) and categorize(区分) the use of to-infinitives as attributives and adverbials of result;
2. summarize general rules of to-infinitives as attributives and adverbials of result;
3. apply the rules and use to-infinitives to complete or make sentences.
Learning aims
1. What kind of natural disasters are connected with a strong storm?
Lead-in
Typhoon, hurricane, tornado …
2. What should people do during a strong storm?
Stay inside and close and lock all the windows and doors.
Listen to the radio to keep informed of what is going on.
During a strong storm, we should stay at home and listen to the radio to keep informed of what is going on. Besides a radio, we can have a computer or a smart phone to update the information. However, you can find so much information to read online. Part of it is true. Part of it is false. Sometimes, you collect all the information, only to make yourself confused.
What’s the function of the to-infinitives in the following sentences?
Exploring the rules
Read the passage on Page 20, underline the sentences with to-infinitive and fill them in the table according to the different functions.
To-infinitives as attributives To-infinitives as adverbials of result
I was staying in Atlanta, and that was one of the cities to be hit. That morning, I turned on the TV for some local news, only to hear that a hurricane was on its way.
The roads were blocked, so there was nothing for me to do but stay inside.
I had enough food and water to last a whole week!
… I looked out of the window, only to see huge trees lying across the street and water everywhere!
Exploring the rules
When the to-infintive is used as an attributive, it is often put
(before/after) the noun or pronoun it modifies.
When the to-infintive is used as an adverbial of result, it can refer t