I'm thinking if I "so" can be sometimes used instead of "so that" without losing the meaning of the sentence.

For example:

Can you register me for it SO THAT I could access the blackboard

Can you register me for it SO I could access the blackboard

To my ear both forms sound pretty good, but as English is not my native tongue, I could be wrong.

  • 1
    I would have said that "so that" was the 'basic' form in purpose adjuncts like this one. Nevertheless "that" is readily omissible, and according to the graph I looked at, that alternant is more frequent. But both are fine.
    – BillJ
    Sep 6, 2016 at 13:47

2 Answers 2


'So that' is a more formal and archaic form. 'So' by itself is the much more commonly used form, and has the same meaning.


The word "that", used as a CONJUNCTION, is frequently omitted from informal speech. (Depending on context "that" can also be used as a PRONOUN, ADVERB, ADJECTIVE or DEFINITE ARTICLE.)

Thus "that" is often left out of such sentences as: "He said that he felt ill."

In your examples, while the meaning of the second sentence is clear, the first sentence (including the word "that") is preferable.

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