He said that it was so; he was mistaken, however. 他说情况如此，可是他错了。备注：网友给出英语句子中however,属于下面第9种用法. （网友可能打错字，是联接状语，不是连系状语）联接状语也叫连接性状语，根据其所表达的意义连接性的状语可以分为以下的13类：【1】表示列举和顺序的连接词：firstly, secondly,thirdly,to begin with, last 等。【2】表示意义增补和引申的连接性状语：also, besides，furthermore，in addition what is more ,moreover,above all,then等。【3】表示同位关系的连接词：for instance, for example, namely, that is,that it to say, 等。【4】表示结果的连接性状语：thus,so,therefore, consequently, hence, as a result 等。【5】表示意义等同的连接性状语：equally, likewise, similarly ,likely, in the same way 等。【6】表示推论的连接性状语：otherwise,then,therefore, in that case 等。【7】表示换个说法的连接性状语：or rather, put it another way ,in other words 等。【8】表示意义转折的连接性状语：however, instead, , on the one hand, on the other hand 等。【9】表示让步的连接性状语：,though, anyhow, anyway, on the contrary in spite of ,yet, after all, nevertheless等。【10】表示时间过渡的连接性状语：at the same time, in the meantime, meantime, meanwhile 等。【11】表示改变话题的连接性状语：by the way, incidentally（顺便提一句）等。【12】表示概括或者总结的连接性状语：all in all, to sum up,in a word,on the whole 等。