Question

fix the two words that are used incorrectly.

alice cut squares of various colorful fabrics and lay them on the table. the patchwork
quilt she was making required thirty - six discreet pieces of material.

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Explanation:

1. For the verb "lay": The action here is past tense, and the correct past tense of "lay" (to place) is "laid". "Lay" as a base form or present tense doesn't fit the past context of the sentence.
2. For the adjective "discreet": The intended meaning is about separate or distinct pieces, so "discrete" (meaning distinct, separate) should be used instead of "discreet" (meaning careful, prudent). Also, "requirad" is a misspelling, the correct word is "required". But since the problem says two words used incorrectly, focusing on "lay" and "discreet" (and also noting the misspelling "requirad" to "required", but the main incorrect usages in terms of vocabulary are "lay" and "discreet").

Answer:

The two incorrect words are: "lay" (should be "laid"), "discreet" (should be "discrete"), and also "requirad" (should be "required"). But for the two vocabulary - usage errors (excluding misspelling), the words are "lay" and "discreet". The corrected sentence would be: "Alice cut squares of various colorful fabrics and laid them on the table. The patchwork quilt she was making required thirty - six discrete pieces of material."