1. He hid the letter in a drawer.

2. He hided the letter in a drawer.
(Can we use both 'hid' and 'hided' as a past tense? Do you use 'hided' as a past tense for the verb hide?)

1 answer

There's no such word as "hided."

The principal parts for this verb are hide, hid, hidden, hiding.

You can always find the principal parts of a verb at the beginning of its definition in a dictionary, as here -- http://www.merriam-webster.com/dictionary/hide

They are almost always in this order:
present
simple past
past participle
present participle