f “不”РL4-1РL3Р买卖? 小大?子七月?你他也Р声调标写??Tone markРThe tone mark is written above the main vowel of a syllable. The main vowels are listed in order:Рa o e i u üРbāoРhuōРmiēРmāiРxiāoРlǖР①Exception:"i"、"u" together,mark the latter.Р②When the tone marks is on “i”, the dot on the “i” should be omitted:Р①"i"、"u" together,mark the latter.РniuРjiuРhuiРchuiРniūРjiūРhuīРchuīР②When the tone marks is on “i”, the dot on the “i” should be omitted:РjiРjīРzhiРzhīРqinРqīnРlingРlīngР1.hen?2.bang?3.reng?4.cong?5.jia?6.piaoР7.nie?8.zhu?9.qiong ?10.xian?11.piao?12.nieРExcercise:mark first toneР1.hēn?2.bāng?3.rēng?4.cōng?5.jiā?6.piāoР7.niē?8.zhū?9.qiōng ?10.xiān?11.piāo?12.niēРExcercise:mark first toneР13.gua?14.kuo?15.shuai?16.cuan?17.tun?18.huangР19.juan?20.mei?21.bai?22.hao?23.lou?24.nüeРExcercise:mark first tone