travelled - UK; traveled - US.
What is your question?Are you asking what is the simple past tense of "pay"?Paid is the simple past tense of pay, as there is no simple past tense of of paid. Paid is already past tense.
The simple past tense of have is had.
The simple past tense of 'am' is 'was' or 'were'
The simple past tense is had.
The simple past tense of 'be' is 'was' and 'were'
The simple past tense of break is "broke".
The simple past tense of "blow" is "blew."
The simple past tense of stride is strode.
The simple past tense (and past participle) is felt.
Simple past tense. Past perfect tense. Past perfect continuous tense. Past continuous tense.
The simple past tense of the verb "know" is "knew."
The simple past tense of "can" is "could."