In order to know when to double the final consonant, you have to pay attention to the ending of a word. If the word ends with a short vowel before the final consonant, then you double the final consonant before you add the suffix -ed or -ing. Complete the worksheet to practice the doubling rule.

Hello. You did not present the spreadsheet to which this question refers, which makes it impossible for your question to be answered. However, I will try to help you in the best possible way.

As already shown in your question, if a word ends with a short vowel, the last consonant of that word must be duplicated, so that you can add the suffix -ed or -ing. A word with a short vowel is one where the vowel in the last syllable does not generate a long sound.

In this case, to answer your question, you must speak all the words in your worksheet aloud and pay attention to the vowel sound of the last syllable, paying attention to whether this sound is long or short.

An example of a short syllable word is the word "bug," where the letter "u" has a very short sound when this word is spoken. In that case, if you need to add the suffixes -ed or -ing to this word, you will need to duplicate the letter "g." In this case, the word will be displayed as "bugged" or "bugging."

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