What is the past tenses and past perticiple of these word learn and sow?

learned, have learned

http://dictionary.reference.com/browse/sow

past perticiple

To find the past tense and past participle forms of verbs like "learn" and "sow," we often need to consult a dictionary or use some grammatical rules. Let's break it down for each word:

1. "Learn":
- Past tense: The past tense of "learn" is "learned" in American English (e.g., I learned a new skill). However, in British English, both "learned" and "learnt" are considered correct.
- Past participle: The past participle of "learn" is "learned" (e.g., I have learned a new language).

2. "Sow":
- Past tense: The past tense of "sow" is "sowed" (e.g., Yesterday, I sowed some seeds in the garden).
- Past participle: The past participle of "sow" is also "sowed" (e.g., I have already sowed the seeds).

Remember that irregular verbs may have different forms, so it's essential to consult a reliable resource for those cases.