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