This verb follows the consonant-vowel-consonant (CVC) pattern. The final consonant is doubled before adding -ed to maintain the short vowel sound.
External is regular. It follows the Consonant Doubling rule.
Use past time markers: "Yesterday, she externalled to the store."
No. Use "did not external" (not "did not externalled").
The verb external follows the standard English past tense conjugation rule. When forming the past tense, external becomes externalled. This follows the Consonant Doubling pattern, which is one of the most common conjugation rules in English.
Understanding why external becomes externalled helps with spelling and pronunciation. This verb follows the consonant-vowel-consonant (CVC) pattern. The final consonant is doubled before adding -ed to maintain the short vowel sound.
When using externalled in writing, remember that it functions as a past tense verb and typically appears with time markers like yesterday, last week, or ago. For example: "Yesterday, she externalled to the store." The past tense form does not change based on the subject — I externalled, you externalled, he/she externalled, we externalled, they externalled.