E.g. (1)一般现在时：Now English is taught in all middle schools in our country.
(2)一般过去时：The Great hall of the People was built in 1959.
(3)一般将来时: When will the work be finished?
(4) )过去将来时：He told us that the work would be finished the next day.
(5)现在进行时：Your tractor is being repaired now.
(6)过去进行时：The child was being examined by the doctor when they came in.
(7)现在完成时：The work hasn’t been finished yet.
