we were a bit frightened at frist.这里的were要过去式吗.

we were a bit frightened at frist.这里的were要过去式吗.
we were a bit frightened at frist.这里的were要过去式吗.

we were a bit frightened at frist.这里的were要过去式吗.
一定要用,因为说的是过去,at first(在刚开始的时候）

没错，你的观点是正确的。