rained
v.v. the past tense of 'rain', used when water fell from the sky in the past. You usually use 'it' as the subject.
v. the past tense and past participle of 'rain'; refers to the descent of water from the atmosphere in drops. Typically used with the dummy subject 'it'.
It rained all day yesterday.
It rained so heavily during the outdoor wedding that the guests had to move inside the tent.
Although the forecast predicted clear skies, it rained intermittently throughout the afternoon, complicating the team's efforts to finish the survey before sunset.
Typically used with the dummy subject 'it'; the verb is intransitive when describing weather.
It was rained yesterday.It rained yesterday.Learners often incorrectly use the passive voice or an extra auxiliary verb for weather events.