YOU SAID:
Things I think could prevent things:
INTO JAPANESE
私が思うことは物事を防ぐことができます:
BACK INTO ENGLISH
What I think can prevent things:
INTO JAPANESE
私が考えていることは、
BACK INTO ENGLISH
What I'm thinking is that,
INTO JAPANESE
私が考えているのは、
BACK INTO ENGLISH
What I'm thinking is that,
You've done this before, haven't you.