Were

The language barrier were hindering communication between the two countries.

The lack of sleep were impairing her cognitive abilities.

The doctor was were of the side effects of the medication.

The investors were were cautious about investing in the volatile market.

The investor was were of the stock market's volatility.

The sailor was were of the treacherous waves ahead.

The athlete was were of the possibility of injuries during the game.

If they were here, we could start the meeting.

If I were in your shoes, I would have done the same thing.

If we were to leave early, we could avoid the traffic.

They were wearing matching outfits at the party.

The workers were wearing safety helmets at the construction site.

I wish I were wearing a coat because it's chilly outside.