visited
Simple is not a verb, so it doesn't have a past tense.
The simple past tense of be is was and were.The simple past tense of rain is rained.
The simple past tense is took.
The simple past tense of the word injure is "injured."
'Bit' is the simple past tense of bite.
visited
The simple past tense (and the past participle) is dropped.
The simple past of "to shine" is "shone."
The simple past tense and past participle forms are both bought.
Simple is not a verb therefore it doesn't have a past tense. The past of perfect is perfected
Simple past tense - liked. Simple present tense - like/likes. Simple future tense - will like.
Yes, "be" is in the simple past tense form: was (for singular subjects like I, he, she) and were (for plural subjects like we, you, they).