had

• The two persons have the same talent and abilities .
  二人才力相当。
• Insects' horns have various functions .
  昆虫的触须有各种各样的功能。
• You have been tampering with her affections .
  你一直在玩弄她的感情。
• They have complained to local authorities .
  他们向当地政府提过意见。
• We have also tried to set an example for others .
  我们为求以身作则。
• They had learned to give up many things .
  他们已习惯放弃很多东西了。
• Her books have gone off in recent years .
  近年来她写的书质量下降了。
• I had a letter from my brother this morning .
  今早我收到哥哥的来信。
• They first had a great house cleaning .
  他们首先给屋子来一个大扫除。
• Many lives have been saved by surgery .
  施行外科手术拯救了许多生命。