YOU SAID:

I'm sure I saw somewhere around the city yesterday

INTO JAPANESE

きっと昨日街のどこかで見かけた

BACK INTO ENGLISH

I'm sure I saw you somewhere in town yesterday

INTO JAPANESE

昨日街のどこかで君に会ったに違いない

BACK INTO ENGLISH

I must have met you somewhere in town yesterday

INTO JAPANESE

昨日街のどこかで君に会ったに違いない

BACK INTO ENGLISH

I must have met you somewhere in town yesterday