(10) To explain what they have seen , they build a theory about how things happen and the causes and effects. S: Subject:(8) Attribute Object Adverbial Step IV Practice T: Now let’s do some exercises on P6, Ex2 and Ex3.Rewrite the sentences with “to be done or “to have been done . He wanted the nurses to take care of the patient. -He wanted the patient to be taken care of. Because “the patient is the logical object of “take care of , the passive infinitive should be used in the second sentence. The car was reported to have been stolen. But when the action expressed by the Infinitive happens before the predicate, the perfect infinitive should be used. Homework Finish all the exx in Grammar. Preview the content in Integrating skills. The Design of the Writing on the Bb Unit 1 Making a difference The Third Period Phrase: use up Grammar: the Infinitive 【查看更多】

 

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To explain what they have seen, the scientists build a theory about the way ________ things happen and the causes and effects.

[  ]

A.how
B.that
C.in that
D.which

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