1. were living (QKTD: S+was/were + V.ing)
2. was walking (QKTD: S+was/were + V.ing)
3. will be flying (TLTD: S + will + be + V.ing)
4. are going to sing (TLG: S+ is/am/are + going + to + V)
5. are talking (HTTD: S + is/am/are + V.ing)
6. am not staying(HTTD: S + is/am/are + V.ing)
7. is watching (HTTD: S + is/am/are + V.ing)
8. study (HTĐ: S + V/V.es/s )
9. was traveling (QKTD: S+was/were + V.ing)