A:Whats that man looking at?B:He seems TO BE WATCHING (watch)people come into the station. - CONTINUOUS INFINITIVE A:Stella claims TO HAVE MADE (make)a lot of money when she was younger.B:I know,but I dont think she is telling the truth.PERFECT INFINITIVE A:Karen seemsTO HAVE BEEN STUDYING (study)all night.B:I know.Sne didnt even come downstairs for a snack.PERFECT CONTINUOUS INFINITVE You always use infinitive after SEEM and ClAIM