Choose the correct forms of the verbs in the mixed conditional sentences.

Choose the correct option.

If my brother's car hadn't broken down last week, he [wouldn't have been going|wasn't going|wouldn't be going|hadn't been going] by bus to work today.

They would be walking in Rome right now if they [didn't miss|hadn't missed|wouldn't have missed|wouldn't miss] the plane.

Suppose I were rich, I [would have moved|would move|had moved|moved] to Canada three years ago.

If Charlotte [was|were|had been|would be] allergic to seafood, she wouldn't have eaten fish.