Hi, <br/><br/>I'm learning English in Japan.<br/>I wonder which sentences are correct.<br/>I'm sure about 1 & 3. <br/><br/>1 He is thought to be a national hero.<br/>2 He is thought a national hero.<br/>3 He is considered as a national hero.<br/>4 He is thought as a national hero.<br/><br/>I'm confused. <br/><br/>AS