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      has been to是什么時(shí)態(tài)
      
            
            
      回答
      
            
      
                
                瑞文問(wèn)答
                
      2024-08-14
            
      
            
      
                has been to是是現(xiàn)在完成時(shí)。
      has：有; have 的第三人稱單數(shù)現(xiàn)在時(shí)形式。
      been：v. 曾經(jīng); 曾經(jīng)到過(guò)(某地)。
      are的過(guò)去分詞; be的過(guò)去分詞。 
      to：prep. 到; 向; 往(某方向或某處); 位于…方向; 到達(dá)(某處)。
            
      
            
            
      擴(kuò)展資料
      
            
      　　The effect of the continuous attacks has been to wear out his troops.
      　　接連不斷的攻擊就是要拖垮他的軍隊(duì)。
      　　Our policy has been to uphold the law
      　　擁護(hù)法律是我們一貫的方針。
      　　The Australian government's answer to the problem has been to throw money at it.
      　　澳大利亞政府對(duì)這個(gè)問(wèn)題的解決方案一直就是大把往里扔錢。
      　　The effect of this has been to increasingly marginalize the local authority sector
      　　這件事的影響是使地方當(dāng)局越來(lái)越受到排斥。
      　　The technique has been to mutate the genes by irradiation or chemicals
      　　該技術(shù)是通過(guò)放射線照射或者使用化學(xué)方法使基因變異。