这不是祈使句.and连接前后两个动词引起的短句构成一个条件句.
可以改成： If you follow the road round to the right, you will find his houseand 连接follow与find引出的短句是follow the road round to the right 对吗?是的。我举个例子：work hard and you will succeed= = if you work hard, you will succeed.