We waited in the air-conditioned lobby until the next train arrived.

During the experiment, the dog developed a conditioned response to the sound of the bell.

When you say 'I would go if I had time,' you're using the conditional mood to show that the action depends on another event.

The office installed new air-conditioning to keep employees comfortable during the summer heat.

During the heat wave, we started air conditioning the office earlier than usual.

The air conditioning in the office kept the room comfortably cool and dry throughout the afternoon.

They're air-conditioning the conference hall for the summit.

She sold her vintage guitar, which was in mint condition, to a collector for a surprisingly high price.

Please air-condition the conference room before the guests arrive.

The parties drafted a conditional agreement that would come into effect only if the merger received regulatory approval.