[誤] It is time that we stop the machine and find the trouble.
[正] It is time that we stopped the machine and found the trouble.
注:It is time that...表示“是......的時候了”,其后的從句應采用過去時態(tài),這是虛擬語氣的要求。
參考例句:I stopped at the square and got out to stretch my legs 我在廣場處停下來,下車活動活動腿腳