Pertaned or Pertained: How To spell?

The word Pertaned is misspelled against Pertained, which is past tense of "Pertain"

Word contains consecutive vowels 'AI' in between alphabets pert & ned is misspelled as 'A'
Wrong Spelling:  pert-a-ned 
Correct Spelling:  pert-ai-ned 
Explore spell check of Pertained to spell without errors.

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