Hi,
The way you have presented your question is unlikely to draw any responses. It is difficult to judge idioms, without in a context.
For ex: ‘to be’ is good in:
Federer is said to be one of the topmost;
But to be is bad in: Federer is considered to be the topmost;
‘As’ is good in: Federer is regarded as the top most
‘As’ is bad in: Federer is said as the topmost
So, Idioms and those that you have stated are fully contextual; If you perhaps illustrate your doubts with actual instances that baffled you, then some people might reply; Please think about it.