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