croire que, to believe that
penser que,to think that
être sûr que, to be sure that
trouver que, to find that
se douter que, to suspect that
supposer que, to suppose that
avoir l'impression que, to have the impression that
il est vrai que, it is true that
il paraît que, it appears that
il est probable que, it is probable that
il (me) semble que, it seems (to me) that
il est clair que, it is clear that
il est évident que, it is evident that
il est certain que, it is certain that