wasn t是什麼時態

There wasn't much traffic so we made good progress.

來往車輛不多，所以我們開得很快。

The book wasn't anything like as good as her first one.

這本書遠遠不如她的處女作。

One moment he wasn't there, the next he was.

他一分鐘前還不在那裡，一會兒又在了。

She wasn't happy with our work and made us start over.

她對我們乾的活兒不滿意，要我們返工。

It wasn't quite as simple as I thought it would be.

這事不完全像我想的那麼簡單。