关于not only放在句首时倒装
Not only has he been to Canada,but also he knows some Canadians.
这句话可以换成：Not only has he been to Canada,but he also knows some Canadians.
这句话换成不倒装是不是：He has not only been to Canada,but also knows some Canadians.
He is not only humorous,but also patient.
能换成：He is not only humorous,but he is also patient.
变成要倒装是不是:Not only is he humorous,but also patient.