一般现在 一般将来 一般过去 现在进行 现在完成 的被动语态例句

般现在 English is taught in our school。一般将将来 A new building will be built in our school next year。一般过去 A tree was planted by him yeaterday。现在进行 The floor is being swept by them。现在完成 A bridge has been built over the river。