What do you mean or need what’s the question? How can I help you
        
             
        
        
        
An antonym for number four would be neglect and a synonym would be accomplish. For number six it would be spectacle as a synonym and an antonym would be proof.
        
                    
             
        
        
        
In both inference and observation, you have to monitor or observe something.
Here's one example, you can build on it:
Sherlock Holmes 'observed' the scene below him. 
His 'inference' was based on the evidences given to him.
Here's the definition of both of them...
the action or process of closely observing or monitoring something or someone is called observation.
a conclusion reached on the basis of evidence and reasoning is inference.
 
        
             
        
        
        
Symbols are often timeless and universal nature.
        
             
        
        
        
Answer:
Try "you would’ve never been talking to me." Or, you can try "you would've never talked to me."
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