YOU SAID:

that's a lot of homework

INTO JAPANESE

それはたくさんの宿題です

BACK INTO ENGLISH

It's a lot of homework

INTO JAPANESE

宿題がたくさんあります

BACK INTO ENGLISH

I have a lot of homework

INTO JAPANESE

宿題がたくさんある。

BACK INTO ENGLISH

I have a lot of homework to do.

INTO JAPANESE

しなくてはならない宿題がたくさんある。

BACK INTO ENGLISH

I have a lot of homework to do.