2.4 Grammar (I)不定式作定语、状语 -高一英语同步精品课件（译林版2020必修第三册）

Grammar & Usage (I) To-infinitives as attributives and adverbials of result Unit 2 Natural disasters 1. What kind of natural disasters are connected with a strong storm? Typhoon, hurricane, tornado ... Lead in 2. What should people do during a strong storm? Indoor: Go to your secure location if you hear a severe thunderstorm warning. Stay away from windows if you are in a severe thunderstorm warning and damaging wind or large hail is approaching. Outside: Go inside a sturdy building immediately if severe storms are approaching. Sheds and storage facilities are not safe. Taking shelter under a tree can be deadly. The tree may fall on you. Standing under a tree also put you at a greater risk of getting struck by lightning. Continue to listen to local news or a weather radio to stay updated about severe thunderstorm watches and warnings. Exploring the rules Read the dialogue on Page 20 and answer the following questions. 1. How did Mr Li know that the hurricane was coming? 2. What made Mr Li scared during the hurricane? From the local news on TV. The power failure. Please 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! 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 to an __________ (expected/unexpected) result. In this case, we often use only before the to-infinitive. after unexpected Wo