要有

• The time expression is not obligatory .
  不一定要有表示时间的词语。
• The clouds appeared inclined to thunder .
  阴云密布，好象要有雷雨。
• What counts is determination and confidence .
  关键在于要有决心和信心。
• In fact it requires at least n generators .
  事实上，它至少要有n个元素。
• Only moderate deal load tensions are necessary .
  只需要有少许恒载张力。
• This is the kind of fortitude we must have .
  就是要有这股狠劲。
• We shall want a copy of your signature .
  我们要有你签名的副本。
• The reporter began to smell a good story .
  那记者意识到要有精彩的报道材料。
• One must estimate oneself correctly .
  对自己要有正确的估价。
• He reminded himself to show restraint .
  他提醒自己要有耐心。