Some foot steps led to the garden. Mr. Green saw them. He just returned home from work. ( Two attributive clauses )
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He had failed many times. He made another attempt.( Adverbial clause of concession )
Why didn’t he come to the meeting? He hasn’t answered this question.( Appositive clause )
We walked on tiptoe. We were afraid that we might wake the patient.( Adverbial clause of purpose )
This vase is so beautiful. I can’t help buying it. ( Adverbial clause of result )