1. while / I / pack / things / he / ring up / taxi / take / me / station.
⇒ While I was packing my things he rang up the taxi to take me to station.
3. Thank / catalogue / which / mail / us / Jan 5.
⇒ Thanks for catalogue which is mailed for us on Jan 5.
4. he / instruct / her / switch on / tape recorder / press / record button.
⇒ He instructs her to switch on the tape recorder by press on record button.
5. they / recommend / this work / do / immediately.
⇒ they recommend that this work to do immediately.