there have been是什么時(shí)態(tài)
2025-08-20
there have been是現(xiàn)在完成時(shí)。 例句： There have been several muggings here recently. 最近這里發(fā)生了幾起行兇搶劫案。 There have been strange happenings here lately. 這兒最近發(fā)生了一些怪事。 擴(kuò)展資料 There have been proposals to drill for...