Mastering Irregular Verbs: Buy, Fight, Seek, Think, Bring

In English, the past participle form of the verb 'buy' is 'bought'. The correct structure when using this verb in the past tense is 'bought-bought'. The incorrect options listed do not follow the standard English grammar rules for the past participle form.

The correct past and past participle form of the verb 'fight' is 'fought' for both instances. It is an irregular verb that does not follow the usual pattern of adding -ed to form past tense.

The correct past tense form of 'seek' is 'sought', making the correct answer '-Sought-Sought.' The incorrect answers provided are variations of the incorrect past tense forms of 'seek'.

The correct answer combines both 'Think' and 'Thought' to illustrate the process of thinking leading to a result.

The correct past tense form of 'Bring' is 'Brought'. The other options provided are not grammatically correct past tense forms of the verb 'Bring'.

The correct past tense form of 'teach' is 'taught' which follows the regular verb conjugation pattern. The other options are not valid past tense forms of 'teach'.

The correct past tense and past participle of 'catch' is 'caught-caught'. 'Catch-catch' is the base form, 'catched-catched' and 'catching-catching' are incorrect forms.