How do you parse 我觉得你说的是真的。
我觉得你说的是真的 


'我' (I) is the 'subject'

'觉得' (think) is the 'verb'

'你说的(话)' (the words you said) is the 'object'

'是' (is/was) is 'auxiliary verb'

'真的' (true) adjective

'你说的' is shortened from '你说的话', which is the object


  I think the words you said were true.