Возможно, что он чувствовал бы и ве

Возможно, что он чувствовал бы и вел бы себя иначе, если бы обстоятельства были иными.

Results (English) 1:

Perhaps he felt would have behaved differently if circumstances were different.

Results (English) 2:

It is possible that he would feel and would behave differently if the circumstances were different.

Results (English) 3:

It is possible that he feels he would be and he would otherwise, if circumstances had been different.