has been doing 的用法看到一句话：it has been a favorite magazine sinc i was a child.has been 后面接了名词,这是属于什么时态的用法呢?是have been doing

has been doing 的用法看到一句话：it has been a favorite magazine sinc i was a child.has been 后面接了名词,这是属于什么时态的用法呢?是have been doing has been的用法has been的用法 there has been的用法 have been doing 的用法,My borhter has worked in that factory since two years ago 问：不是have been doing吗,为什么会是has worked,余很笨, there has/have been的用法 has been to的主要用法 had been doing是什么语法?举个例子~有have/has been doing的说法吗? have been doing have done 的用法和区别 have been doing have done 的用法和区别 has been doing have been done区别 have /has been doing 是什么句型啊做题时遇到的 have been doing与 have done的用法区别还有一例句:这个问题许多年来使专家们迷惑不解.The problem has bothered the specialists for many years.为什麽不用has been bothering呢? Though learning gymnastic has been more difficult 这里的has been 是什么用法不是只有 have been dong 和has been done吗?这里的has been 是什么? i has been doing 还是i have been doing it has been since.用法 has been 还有,解释一下has+been+过去分词的用法,是什么时态之类的. 有没有spend to do sth.这种用法我知道有spend sth spend on sthspend （in )doing sth有没有spend to do sth.我想得到完全正确的答案 我是看到报纸上有这么一句话：A lot of money has been spent to protect the old temple. was made与has been made的区别及用法