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Reply to "A rule or a formula?"

Hi, Gilbert,

@gilbert posted:

In the world of grammar, are the following considered rules or formulas?:

  •      For verbs that end in o, ch, sh, th, ss, gh, or z, add -es.
  •      Subject + is/am/are + Verb (+ing)

I'd call the first one a rule (for the formation of the Present Simple in the third person singular), and the second one, a pattern (for the formation of the Present Continuous).

Please note that after "gh" we add "-s," not "-es": laugh - laughs

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