If present tense is carrying about all types of tenses how can it be expressed in the rest of tense

According to the police officer, the car accident could not have been avoided.

In "i am offering this poem" what does baca's use of the metaphor" so it is a pot full of yellow com/ to warm your belly in the winter" show that he wants for the poems subject?

Your state government is planning to stop the payment of registration fees for senior school certificate examination (ssce) students in your state. write a letter to the governor, giving at least three reasons why the state should continue with this gesture of goodwill.