YOU SAID:
I want Emma to step on a nail
INTO JAPANESE
私は、エマは釘を踏むしたいです
BACK INTO ENGLISH
I, Emma would like to step on a nail
INTO JAPANESE
私は、エマは釘を踏むしたいと思います
BACK INTO ENGLISH
I, Emma would like to step on a nail
You've done this before, haven't you.