There have been many changes in this place. 这句中为什么用have?主语是什

There have been many changes in this place. 这句中为什么用have?主语是什 There have been many changes in this place.这句中为什么用have?主语是什么 There have been many changes in this city in r___ years there have been many changes in ______（recently）years there have been great changes为什么用have been many changes have taken place in my hometown.为什么是主谓结构,谓语是hav great changes have been taken place in this city 去掉been 是不是也 首字母填空There have been e( ) great changes taking place in our there have been a lot of changes in that place同一局转换a lot of There have been many change in Beijing.(同义句）Many changes ___ there are many great changes have taken place in my hometown Great changes have taken place in this city .Right .Many mod