In most cases, the past tense is the same on both sides of the Atlantic. "I walked the dog" is correct in both, as is "I ran to school". One word which has different past tenses is Get, which in America has the past tenses Got or Gotten, but in Britain only has the past tense Got. For example:
Britain:
I get cold.
I got cold.
I would have got cold.
America:
I get warm.
I got warm.
I would have gotten warm.
One exception: in Britain we do say "Ill-gotten gains", not "Ill-got gains".
present: recognise (British English), recognize (American English)past: recognised (British English), recognized(American English)
American English tends to spell the past tense as labeled, British as labelled.
The past participle of "get" is "gotten" (American English) The past participle in British English is generally "got"
present: cancel past: cancelled (British English), canceled (American English)
The simple past tense and past participle are both burned. Burnt is also used mostly in British English.
The British English past tense is misspelt. The American English past tense is misspelled.
present: recognise (British English), recognize (American English)past: recognised (British English), recognized(American English)
American English tends to spell the past tense as labeled, British as labelled.
The past participle of "get" is "gotten" (American English) The past participle in British English is generally "got"
present: cancel past: cancelled (British English), canceled (American English)
The simple past tense and past participle are both burned. Burnt is also used mostly in British English.
Learnt or learned, depending on whether you use American or British English.
The past participle of "get" is "got" in British English and "gotten" in American English.
Spilt in British English; Spilled in American English.
The past tense for "learn" is "learned" in American English and "learnt" in British English.
The simple past and past participle are both spelled. Spelt is also used in British English.
In American English: analyzed. In British English: analysed.