The past tense of catch is caught. It is an irregular verb, so it does not follow the standard pattern…

The past tense of “think” is “thought”. It is an irregular verb, so it does not follow the standard pattern…

The past tense of teach is taught. It is an irregular verb, so it does not follow the standard pattern…

The past tense of buy is bought. It is an irregular verb, so it does not follow the standard rule…

The past tense of bring is brought. It is an irregular verb, so it does not follow the standard pattern…

The past tense of choose is chose. It is an irregular verb, so it does not follow the standard rule…

The past tense of begin is began. This is an irregular verb, so it does not follow the standard pattern…

The past tense of write is wrote. It is an irregular verb, so it does not follow the standard pattern…

The past tense of run is ran. It is an irregular verb, so it does not follow the standard pattern…

The past tense of go is went. This is an irregular verb, which means it does not follow the standard…