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