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You use a purpose clause when you want to explain the reason for a person's action. The most common type of purpose clause is a to-infinitive clause. Example: Sarah went to the computer lab to print out her research report.
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You use a purpose clause when you want to explain the reason for a person's action. • The most common type of purpose clause is a to-infinitive clause. • Example: • Sarah went to the computer lab to print out her research report. • This can only be used if the subject of the main verb is the same as the subject of the infinitive clause. CLAUSES OF PURPOSE
FORMAL WRITING • In formal writing, in order to and so as to are often used. Example: The company conducted a detailed survey in order to gauge its clients’ views. • In formal writing, you can also introduce a purpose clause with so that or in order that. These clauses usually contain a modal. Examples: Dr Chan adjusted the overhead projector so that the students would be able to see the chart more clearly. The lecturer finished his lecture five minutes early so that the students could come and ask him questions.
FORMAL WRITING • So (that) and in orderthatare usedwith a subordinateclause. • Thesubjects in bothclauses can bethesameordifferent. • Theseconjunctions are usuallyfollowedby a modal verb. Examples: I gave Ann my telephone number so that she could contact me. I hurried up so that I would not be late. Today I will make dinner in order that you can rest.