I believe/ think/ feel (that) ... I strongly believe .., In my opinion/ view ,... The way I see it, ... It seems/ appears to me (that) ... To my mind, ... I (do not) agree that/ with ... My opinion is that ... As far as I am concerned,... I (completely) agree that/ with ... I (strongly) disagree that/ with ... I am totally against ... I couldn't agree more that/ with ... I couldn't disagree more that/ with ,..
