is going home是現在進(jìn)行時(shí)。
going
n. 離開(kāi)，離去；（尤指賽馬場(chǎng)的）地面狀況
adj. 常去……的；現有的，可得到的
例句：
Were going sailing on Saturday.
我們打算星期六乘帆船出游。
Were going to crash, arent we?
我們要墜毀了，是不是？