Stating a purpose

Purpose – in order / so that

IN ORDER  — PURPOSE SO THAT — PURPOSE

Use in order to introduce an infinitive clause stating purpose.  The statement answers the question: Why?  Optionally, shorten in order + infinitive to just theinfinitive (to + verb).

Use so or so that to introduce a clause stating purpose.   The clause commonly includes can or could. (Do not place a comma before so.)

SUBJECT & VERB

The doctor operated

IN ORDER (optional)

in order

INFINITIVE CLAUSE

to save his patient’s life.

SUBJECT & VERB

The doctor operated

SO / SO THAT

so (that)

CLAUSE with MODAL

he could save his patient’s life.

A patient stays in a hospital

in order

to get medical care.

A patient stays in a hospital

so (that)

s/he can get medical care.

A nurse comes every hour

in order

to check on a patient.

A nurse comes every hour

so (that)

s/he can check on a patient.

Source: Grammar Quizzes

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