YOU SAID:

there is lots of fun things to do

INTO JAPANESE

やりたいことがたくさんあります

BACK INTO ENGLISH

There are lots of things I want to do

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私がやりたいことはたくさんあります

BACK INTO ENGLISH

There are many things I want to do

INTO JAPANESE

私がしたいことがたくさんあります

BACK INTO ENGLISH

There are many things I want to do