Third-person singular simple present indicative form of course.(verb)
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Use "courses" in a sentence
"The term courses as used in this paragraph refers with few exceptions to those courses outlined under the various subjects in this catalogue from page 20 to page 42."
"The term courses as used in this paragraph refers with few exceptions to those courses outlined under the various subjects in this catalogue from page 18 to page 39."
"The academic validity of our courses is a kind of a moot point at this point."