YOU SAID:
I have to clean my house so I can go swim in the lake.
INTO JAPANESE
湖で泳ぎに行けるように家を掃除しなければならない。
BACK INTO ENGLISH
I have to clean my house so I can go swimming in the lake.
INTO JAPANESE
湖で泳ぎに行けるように家を掃除しなければなりません。
BACK INTO ENGLISH
I have to clean my house so I can go swimming in the lake.
That didn't even make that much sense in English.