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            Relative Clauses 
            
            Rewrite the following sentences. Put in commas and relative pronouns where necessary. Do not change the given word order.
             
            Level: intermediate 
            Age: 12-17 
            Type: worksheet 
            Downloads: 19
            
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            relative clauses 3 
            
            Rewrite the following sentences. Put in commas and relative pronouns where necessary. Do not change the given word order. 
             
            Level: advanced 
            Age: 14-17 
            Type: worksheet 
            Downloads: 15
            
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            Relative Clauses 
            
            Useful survey of relative clauses
             
            Level: intermediate 
            Age: 12-17 
            Type: grammar-guide 
            Downloads: 10
            
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            passive 
            
            Put the following sentences into the passive. The underlined word becomes the subject.
             
            Level: intermediate 
            Age: 14-17 
            Type: worksheet 
            Downloads: 10
            
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            Formation of structures with modal verbs 
            
            The use of modals is like working with "building blocks". It is the combination of different infinitives with different modals. Knowing  the different terms, of course, is vital.
             
            Level: intermediate 
            Age: 12-17 
            Type: Choose 
            Downloads: 8
            
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            Survey of tenses 
            
            This handout contains a survey of tenses (active/passive/simple/progressive) that students ususally regard as helpful.
             
            Level: intermediate 
            Age: 12-17 
            Type: grammar-guide 
            Downloads: 6
            
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            Future 
            
            Give the most suitable form of the future.
             
            Level: intermediate 
            Age: 12-17 
            Type: worksheet 
            Downloads: 4
            
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            Infinitive or gerund? 
            
            Infinitive or gerund? Give the right and complete form. You may have to add a preposition occasionally.
             
            Level: advanced 
            Age: 14-17 
            Type: worksheet 
            Downloads: 4
            
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            relative clause 
            
            Combine the two sentences and make a relative clause. Make a contact clause where you can.
             
            Level: elementary 
            Age: 12-17 
            Type: worksheet 
            Downloads: 3
            
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            Modal verbs: must/can plus substitutes 
            
            Must / can: use of their substitutes in the following tenses:
present, present perfect, past and will-future
             
            Level: elementary 
            Age: 12-17 
            Type: worksheet 
            Downloads: 3
            
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