This verb follows the consonant-vowel-consonant (CVC) pattern. The final consonant is doubled before adding -ed to maintain the short vowel sound.
Cross-index is regular. It follows the Consonant Doubling rule.
Use past time markers: "Yesterday, she cross-indexxed to the store."
No. Use "did not cross-index" (not "did not cross-indexxed").
The verb cross-index follows the standard English past tense conjugation rule. When forming the past tense, cross-index becomes cross-indexxed. This follows the Consonant Doubling pattern, which is one of the most common conjugation rules in English.
Understanding why cross-index becomes cross-indexxed 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 cross-indexxed 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 cross-indexxed to the store." The past tense form does not change based on the subject — I cross-indexxed, you cross-indexxed, he/she cross-indexxed, we cross-indexxed, they cross-indexxed.