"So that" is a subordinating conjunction that can be used in formal, semiformal, and informal English.

"So that" is a subordinating conjunction that can be used in formal, semiformal, and informal English.

We must learn to step out so that our friends know that we are there for them.

What should I do so that my child starts to listen?

Sometimes, in colloquial language or very informal English, we omit "that" from the "so that" construction.

Olivia needs to clear things up so she can leave in the morning.

A more formal version of "so that" is "in order that". Both are subordinating conjunctions that can be used to express purpose. Nevertheless, "in order that" is much less common than "so that".

To sound more natural or be concise in informal situations, use "so". In neutral, semiformal, or formal situations, use "so that". More sporadically, in formal or academic writing, you can use "in order that".

Notice that you can begin a sentence with "so that". In such a situation, add a comma after the clause introduced by "so that".

So that the system can be designed to accomplish those goals effectively, it is crucial to determine the levels of abstraction.

When using "so that" in a sentence, it's important to keep in mind that it must be followed by a clause (a subject and a verb).

We included a list of menu suggestions for meals so that your family can make healthier food choices.

Note that "so that" is usually, but not always, followed by a modal verb, such as "can", "could", "would", will, etc.