Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
Telephone is regular. It follows the -d Addition rule.
Use past time markers: "Yesterday, she telephoned to the store."
No. Use "did not telephone" (not "did not telephoned").
The verb telephone follows the standard English past tense conjugation rule. When forming the past tense, telephone becomes telephoned. This follows the -d Addition pattern, which is one of the most common conjugation rules in English.
Understanding why telephone becomes telephoned helps with spelling and pronunciation. Verbs ending in -e simply add -d to form the past tense. This is the most straightforward regular rule.
When using telephoned 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 telephoned to the store." The past tense form does not change based on the subject — I telephoned, you telephoned, he/she telephoned, we telephoned, they telephoned.