Anybody can do it.中的Anybody不是只能用在否定句、疑问句或者条件句中吗?但是这句是肯定句呀,为什

Anybody can do it.中的Anybody不是只能用在否定句、疑问句或者条件句中吗?但是这句是肯定句呀,为什 If a bird can do it ,anybody can do it.请问用everybody可以么?在肯定句中 anybody can do it 为什么不是somebody? anybody can afford our prices改为否定句 题2中解释为can表推测,但是can不是仅在疑问句以及否定句中使用吗?这个can never应该是“永远不会”的意 We can't tell anybody about this 同义句We must ___ it to ___abo anything,anyone,anybody在条件状语从句中的问题 prices can anybody our afford连词成句 will do造句 肯定句 否定句 一般疑问句 someting、anything 在肯定句、否定句、条件句中的区别（最好附例句详解） They love bamboo,转化成否定句和疑问句；Snakes can't hear,转化成肯定句和疑问句；Do ___ if a bird can do it,anybody can do it.是填Although还是But