1. infinitive of purpose Use the infinitive of purpose to talk about why someone does something. I went out to post a letter. She telephoned me to invite me out to dinner. We shouted to warn everyone of the danger. It is also used to say what can/must be done with something: It’s difficult to find a place to park in the city. Have you got a lot of work to do this evening. Would you like something to eat?

2. using so that Sometimes we use so that to talk about the purpose of doing something. We use so that: when the purpose is negative: I hurried so that I wouldn’t miss the train. Leave early so that you won’t find any traffic. with can / could: He’s learning English so that he can study in Australia. We travelled to London so that we could visit our friends. when one person does something so that another person does something else: I gave him my address so that he could contact me. He wore glasses and a false beard so that no one would recognize him.

3. Answer the questions using the infinitive of purpose. 1.Why do you have to go to the bank? 2.Why did she knock on your door? 3.Why are you saving money? 4.Why is Ron going to hospital? Complete these sentences with a verb. 1.We are having a party ___ Ann’s birthday. 2.I didn’t have enough time ___ the newpaper today. 3.I wish I had enough money ___ a new car. 4.It’s a pity we haven’t got any nice pictures ___ on the wall. 5.I think I need some new clothes ___.

4. Write sentences with so that. 1.We wore warm clothes. We didn’t want to get cold. 2.I spoke very slowly. I wanted the man to understand what I said. 3.Please arrive early. We want to start the meeting on time. 4.I slowed down. I wanted the car behind to be able to overtake.