Verb-filling: I like _ (climb) in my spare time. I like _ (climb) the hill with you today. I regretted _ (tell) him the news. I should have kept it a secret. I had meant _ (call) on him yesterday, but I was too busy. He still remembers _ (take) to Beijing when he was six. He apologized to the manager for _ (not keep) his promise. He felt sorry for_ (not give) such a good chance. climbing to climb telling to call being taken not having kept not having been given非谓语动词 过去分词 不定式 动名词 现在分词 分 词 -ing 形式