1. what you (learn) ........since you (come)........? How many new friends you (make) ........? I hope you (meet, already) ...... a lot of interesting people.
2. Since classes beagan, I (have, not) ......much free time. I (have)...... several big test to study for
3. Last night my roommate and I (have)......some free time, so we (go)..... to a show
4. I admit that I (get)... ..older since I last (see)......you, but with any luck at all, I (get, aslo)....wiser.
5. Since the beginning of the twentieth century, medical scientist (make)......many important discoveries.
6. Libraries today are diffrent from those in 1800s. For example, the contents of libraries (change)......greatly through the year. In the 1800s, libraries (be)....simply collections of books. However, today most libraries (become)...... multimedia centera that contain tapes.
Simple past or present perfect tense
What have you learned since you came here? How many new friends have you made already? I hope you have met already a lot of interesting people.
Since classes began I have not had much free time. I have had several big tests to study for.
Last night my roommate and I have had some free time, so we went to a show.
I admit that I got older since I last have seen you, but with any luck at all, I also got wiser.
Since the beginning of the twentieth century, medical scientists have made many important discoveries.
Libraries today are diffrent from those in 1800s. For example, the contents of libraries have changed greatly through the year. In the 1800s, libraries were simply collections of books. However, today most libraries have become multimedia centera that contain tapes.