Adverb Clauses

Adverb clauses create the third type of sentence, the complex, where there is an independent clause joined together with a dependent clause.  That dependent clause is either an adverb or an adjective clause, depending on how the entire clause modifies the rest of the sentence.  Adverb clauses are often formed by subordinating conjunctions.  To diagram them, link their verbs together.

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1) Because they travel to the office each weekday, they need five car-poolers.                                    
                                                                     
    |        |    
                                      |                                      \          
                                      |                                         
                                      |                                                                  
                                      |           
    |    
                                        \                     \(on)
                                          \              \        
                                                       \                       \
                                         
2) Although the driving schedule is flexible, each person is responsible for one day every week.
                                                                      
    |        \    
     \                 |                                      \                 \(during)
                                      |                         \          \                
                                      |                                                     \              \   
                                      |           
    |       \       
  \ \                             

3) After the car-pool was organized, Dave's day to drive was Thursdays.
                                                                    
                  |        \    
  \     \                                           |
                         \                                  | 
                           \                        |                    
                              \               |                       |
                               \            / \                      |
                                                                    |                                         
                                                                    |                                                                  
                                                                   |           
                 |                  \  
     \                                                                                                             
                                                                                                                         
4) While some car-poolers nap during the commute, others read.

    |    
                                      |                                        
                                      |                                         
                                      |                                                                  
                                      |           
    |     
     \                      \                   
                                              \             
                                                           \                 
                                                                                                               
5) When travel plans change unexpectedly, the driver must telephone the other car-poolers.

    |        |    
     \                  |                                      \    \
                                      |                                         
                                      |                                                                  
                                      |           
    |     
   \                        \