请问是They are all playing football还是they all playing football

请问是They are all playing football还是they all playing football 是all of them are 还是 all of they are 请问All things are difficult before they are easy.. The children are play next to the f___,they are happy but all wet Are they all right They are all right. Are they all right? where are they all 是they are all kind of cute还是they are all kinds of cute? 是They are all busy and happy 还是They are all happy and busy? They are (play/playing)football next week.是选play还是playing, We are all student We all are student请问是We are all student 还是 We all are student They are all lined up next to the door.请问这句话中,为什么要有are,line 是一个动词,如果我写成They all lined up next to the door,哪一个是正确的呢? they are all tall and atrong .同义句是 strong they all are friend 还是 they are all friend They are all 17.还是They all are 17. They are all yellow 如上 They are all working ____..