连词and和or用法and和or的用法辨析相同点:and和or都意为“和,又”,皆为并列连词,可连接两个并列成分(单词、短语或并列分句).1.and用肯定句当中.如:HecanspeakEnglishandFrench.(肯定句)他会说英语和法语.2.or用于否定句或疑问句当中.如:Hecan’tspeakEnglishorFrench.(否定句)他不会说英语和法语.CanhespeakEnglishorFrench?(疑问句)他会说英语或法语吗?不同点看谁最棒用and和or来填空.1.Ourmathsteacheriskind______helpful.2.Doyouoftengotoschoolonfoot______bybike?3.Iwenttothesupermarket_______boughtsomevegetablesthismorning.4.Mysistercan’tspeakEnglish_______Japanese.andandor肯定句疑问句肯定句or否定句用法andor用肯定句当中用于否定句或疑问句当中.