Question

英语高手看看这句话有没有问题 then a friend suggested we went to work by bi

Answer 1

这句话suggest后面接的是宾语从句.

suggest后省略了that.

then a friend suggested (that) we went to work by bike.

或者用suggest +动词原形

then a friend suggest us go to work by bike.

以上两种形式都可以.