4) agree in a short way. 1. — her elder brother plays chess very well. - so i. 2. — my parents have been to greece many times. - mine. 3. — they knew about it. - my brother. 4. — we were very glad to see him again. - . (= "me too") 5. — they'll be there not earlier than at five thirty. - . (= "me too")
2. So have mine.
3. So did my brother.
4. So was I.
5. So will I.