1. Write the sentences in Present Perfect.
1 He (to graduate) from the University.2 Our students (to pass) all examination.3 Your son (to sleep) in his room 4 My grandmother (to prepare) breakfast in the kitchen.5 Students (to go) home.6 The secretary (to bring) the mail. 7 My brother (to write) a report. 8 He (to speak) English at the meeting.9 Our uncle (to catch) fish in the river. 10 Students (to write) the test.

He have graduated from the University.2 Our students have passed all examination.3. Your son has sleeped in his room 4 My grandmother has prepared breakfast in the kitchen.5 Students have went home.6 The secretary has brought the mail. 7 My brother has wrote a report. 8 He has spoke English at the meeting.9 Our uncle has caught fish in the river. 10 Students have wrote the test.