feel free to do sth什么意思

feel free to do sth什么意思 feel free to do造句 feel like to do sth有吗? feel like to do sth有吗? 关于feel的用法feel adj to do sth (这里feel与adj构成系表结构）如Feel free to call me.feel it adj to do sth(这里的it当形式宾语）如They feel it necessary to work harder.这两种句型是不是都对?如果都对,又有什么 是feel it a pleasure to do sth 还是feel it pleasure to do sth? how do you feel to do sth对吗? 关于feel的词组feel to do sth or feel do sthfeel是情态动词吗? feel adj.doing sth与feel adj.to do sth有什么区别? 造句：feel sb do sth .let sb do sth .have sb do sth .listen to sb do sth .listen to sb do sth. 有没有feel like sb to do sth? 42.feels like doing sth.和feel like to do sth.的区别? feel 加doing sth还是feel do sth? do sth to do feel sb./sth.+do sth.与doing sth.的区别 谁能用sb be free to do sth sb be busy with sth sb b谁能用sb be free to do sthsb be busy with sth sb be busy in doing sth各造2个句子, sure,feel free to call me any time...:) do you have my phone number? please do feel free to inform me,这句话要怎么翻译呀