Ask questions to the underlined parts of sentences:
1) I have been teaching Maths for six years. (underlined: teaching) 2) They have been searching for her everywhere. (underlined: her) 3) We talked about you very seriously. (underlined: you) 4) He got married to Aga's sister. (underlined: Aga's)
1. What have you been doing for six years?
2. Who have they been searching for everywhere?
3. Who did you talk about very seriously?
4. Whose sister did he get married to?