Breakdown of Pendant que nous étions en train de ranger les outils, Paul a demandé si nous avions encore besoin de la pelle et du râteau.
Questions & Answers about Pendant que nous étions en train de ranger les outils, Paul a demandé si nous avions encore besoin de la pelle et du râteau.
Pendant que means while and must be followed by a clause with a verb: pendant que nous étions...
By contrast, pendant by itself is usually followed by a noun:
So here, because the next part contains a full action with a verb, pendant que is the correct choice.
Both are possible, but être en train de + infinitive strongly emphasizes that an action was in progress.
So:
- nous rangions les outils = we were putting away the tools
- nous étions en train de ranger les outils = we were in the middle of putting away the tools
The version with en train de is a little more explicit and vivid. It highlights the ongoing nature of the action.