He cannot fix the electricity.(他不會修理電路。)

We cannot boss them into doing more.(我們不能再支使他們干其他事了。)

Diabetics cannot metabolize glucose properly.(糖尿病患者不能使葡萄糖進行恰當的新陳代謝。)

Words cannot express my sorrow.(語言不能表達我的悲傷。)

We cannot afford to ignore this warning.(我們對這個警告絕不能等閑視之。)

I cannot believe the price of the tickets!(我簡直無法相信竟有這樣的票價！)

Vitamins cannot be manufactured by our bodies.(維生素不能由人體來生成。)

Surely my existence cannot be so purposeless?(想必，我的存在不可能如此毫無意義吧？)

We cannot take sides in a civil war.(內戰中，我們不能支持任何一方。)

Tickets cannot be exchanged or money refunded.(門票不可退換。)