I started
The past tense of 'spell' is 'spelled'. 'Spelt' is also used in British English.
The word is spelled began, just as you spelled it. The simple tenses (present, past, past participle) are: begin began begun
The past tense of have is had.
have in past tense is had
The past tense is had.
You spell the past tense of settle like this: Settled
spelt per American Heritage Dictionary "alternate past tense and past participle of spell".
The past tense is fared.
The past tense is gardened.
The past tense is gassed.
The past tense is coasted.
The past tense is benefited.