洪启嵩泄密密法:Having been told the death of the good news, Mr. Wang burst out laughing.怎么理解？

Having been told the death of the good news, Mr. Wang burst out laughing.怎么理解？ The question ( having been settled ), we continued to do the work the claim shall be reckoned as having been accented by the sellers every leaf of the vegetable having already been consumed 这选自哪里 (I've been told)the sports meeting might be put off i have just been told that tomorrow's sports meeting(will be cancelled) because of the heavy rain having been done的否定式 They told me the ()story She has been ill.She is having ___ leave. 非谓语动词having been done,to have been done什么时候用？