The document provides examples and explanations of using the infinitive of purpose with "to" and "for" in English sentences. It gives sample sentences demonstrating how to express why something is done using "to + verb" or "for + noun." It then provides exercises for the reader to simplify sentences by replacing because clauses with infinitives of purpose, insert "to" or "for" in sentences, continue incomplete sentences, and suggest answers using infinitives of purpose for various questions.

1. INFINITIVE OF
PURPOSE
WHY?

2. You can explain why you do
something with to + verb.
 Why did you leave the meeting? To make a phone call.
 I’m writing to thank you for your help.
 I phoned Harry to invite him to a job interview.

3. to + verb for + noun
 (to meet/to buy)
 I went to Canada (why?) to
meet the customer.
 They need some money to
buy new equipment.
 (for a meeting / for
analysis)
 I went to Canada (why?)
for a meeting.
 They need money for new
equipment.

4. 1) Please simplify the following
sentences:
 I’m going to the bank because I want to get some money.
 I want to rewrite this code because I want to improve the program.
 He created his own website because he wanted to post his portfolio there.
 I will not take part in the competition because I don’t want to fail again.
 He called me in the morning because he had to tell me he fell ill.
 Please redesign the options for account setup because they should look
more user-friendly.
 We hope that we will solve this issue by Friday.
 I promised that I will not commit any changes before I test them.
 Users need a name and a password because they have to log on to each
server.
 They have written us an email because they wanted to inform us about a
kernel-panic message.

5. 2) Please insert “to” or “for” in the
following sentences:
 Our organization started in 1994 ____ lead the Web to its full
potential.
 We develop common protocols ____ promote its evolution.
 We have the Offices Program ___ adoption of W3C
recommendations among developers.
 In August 2011, W3C created Community and Business Groups ___
support innovation.
 We invite technical experts ___ coordinate technology development.
 We also invite experts _____ management of other operations.
 If you need ____ get some information about our organization,
complete the request form.
 You do not need an account ____ complete the form, but we need
your email ___ validation of your request.

6. 3) Please continue the sentences:
I am helping my teammate to …
I decided to save up to …
I studied at the university to …
I have created my own website to …
I spoke with the project manager to…

7. Suggest three possible answers
for each of the given questions.
Explain your idea using to + infinitive, in
order to + inf., for + noun, or so that +
clause.
1. What do you need sun protection for?
2.What do you need the olive oil for?
3. Why did you make this cake?
4. What do you need a dictionary for?

8. 5.Why did you start your driving lessons?
6. Why did you start ther diet?
7. What do children need milk for?
8. What do you have a tin opener for?
9. Why did you go to Paris for a holiday?
10. Why did you go to Britain?