Hi Rahi,

The characteristics of sonnet are as follows:-

• A sonnet is 14 lines long
• A sonnet has a regular rhyme scheme.
• Sonnet has strict metrical construction.
• In a sonnet each line has 10 syllables in five pairs.
• And each pair has stress on the second syllable.

Feel free to ask doubts in the Comment Section.

I hope this information helps you.

Good Luck!