①suggest sth. (to sb.)
eg:I'll suggest a new plan (to him).
注意：不能說suggest sb. sth.
eg:We suggest him a new plan. (Χ)
②suggest doing sth.
eg:He suggested going to the park.
He suggested to go to the park. (Χ)
③suggest sb./one's doing sth.
eg:You should suggest him/his giving up smoking.
eg:He suggested (that) she (should) go to the doctor at once.
eg:Her tears suggested (that) she was unhappy.