1. verb tense 2. main verb past tense

form 3 regular or irregular

I will wash those dirty dishes.

The verb is will wash, and it's a regular verb in the future tense.

1. The verb tense in the given sentence is future tense.

2. The main verb in the past tense can be formed by changing the verb "will wash" to "washed".

3. The verb "wash" is irregular. The past tense and past participle form of "wash" is "washed".