YOU SAID:

I SAW A TRUCK DRIVE BY AND START SHOOTING WATER GUNS AT US

INTO JAPANESE

私はトラックドライブを見て、私たちで水鉄砲を撃ち始めました

BACK INTO ENGLISH

I saw the truck drive and started shooting water guns with us

INTO JAPANESE

私はトラックの運転を見て、私たちと一緒に水鉄砲を撃ち始めました

BACK INTO ENGLISH

I saw the truck driving and started shooting water guns with us

INTO JAPANESE

私はトラックが運転しているのを見て、私たちと一緒に水鉄砲を撃ち始めました

BACK INTO ENGLISH

I saw the truck driving and started shooting water guns with us