Study

PERFECT GERUND & PERFECT PARTICIPLE

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  • He was suspected ____ having received presents from the local companies and ignored their violations of the environmental law.
    of
  • He thanked us ____ having contributed to cleaning the surrounding environment.
    for
  • His company was punished ____ not having dumped the rubbish properly.
    for
  • The factory was accused ____ having caused higher level of pollution to the environment.
    of
  • The president of the company officially apologised to the local residents ____ having dumped a large amount of raw sewage in the area.
    for
  • We all admire him ____ having changed both his attitude and behaviours towards the environmental issues.
    for
  • The city mayor praised all voluntary students ____ having cleaned the playgrounds for the children.
    for
  • Human activities are also blamed ____ having contributed to global warming.
    for