他打算今天下午骑自行车用英语翻译否定句,一般疑问句,特殊疑问句

他打算今天下午骑自行车
He is going to ride his bike this afternoon
He isn't going to ride his bike this afternoon
Is he going to ride his bike this afternoon
What is he going to do this afternoon?/ Whose bike is he going to ride this afternoon / when is he going to ride his bike