The word "learn" is spelled L-E-A-R-N. For its past tense, there are two common spellings depending on the variety of English:

• In American English , the past tense is spelled learned.
• In British English , the past tense is often spelled learnt.

Both forms mean the same thing ("to gain knowledge or skill"), but it's important to be consistent in your choice based on the English variant you are using

. If you are looking for tips on how to improve your spelling skills in general, strategies include reading frequently, looking for spelling patterns, using mnemonics, spelling words out loud, and learning the origins of words. These methods help reinforce memory and understanding of spelling rules

. In summary:

• Present tense: learn
• Past tense (American English): learned
• Past tense (British English): learnt

Choose the form that fits your context and use it consistently.