"At" is used for specific times, festivals, and certain expressions. "In" is used for longer periods, such as months, years, seasons, and parts of the day. "On" is used for specific days and dates.

Gerund is the -ing form of a verb used as a noun. Infinitive is the base form of a verb with to in front of it.

The past tense of "see" is "saw."

The past tense of "sneak" has two accepted forms: "sneaked" and "snuck." Both are commonly used, though "snuck" is more informal and primarily used in American English, while "sneaked" is considered the standard past tense.

The past tense of "ride" is "rode".