YOU SAID:
I walked to the store, and I walked fast
INTO JAPANESE
私は店に歩いて行きました、そして私は速く歩きました
BACK INTO ENGLISH
I walked to the store, and I walked fast
INTO JAPANESE
私は店に歩いて行きました、そして私は速く歩きました
BACK INTO ENGLISH
I walked to the store, and I walked fast
That didn't even make that much sense in English.