Conjugation of verb "To sit"
    
    
        
	        
	        
	        
	        
        
    
        
	        
	            Present Simple Continuous 
	        
	        
	        
	        
        
    
        
	        
	        
	        
	        
        
    
        
	        
	        
	            
		            
	            
		            
		                Negative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    He/She/It wasn't sitting.
			                 
		                
			                
		                
			                
		                        
		             
	            
		            
	            
	         
	        
	        
        
    
        
	        
	        
	        
	        
        
    
        
	        
	        
	        
	        
        
    
        
	        
	            Present Perfect Continuous 
	        
	        
	            
		            
		                Affirmative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    He/She/It's been sitting.
			                 
		                
			                
		                
			                
		                        
		             
	            
		            
		                Negative
                    
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    You haven't been sitting.
			                 
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    He/She/It hasn't been sitting.
			                 
		                
			                
			                    
			                    
			                        
			                    
			                    You haven't been sitting.
			                 
		                
			                
			                    
			                    
			                        
			                    
			                    They haven't been sitting.
			                 
		                        
		             
	            
		            
		                Interrogative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    Has he/she/it been sitting?
			                 
		                
			                
		                
			                
		                        
		             
	            
	         
	        
	        
        
    
        
	        
	        
	        
	        
        
    
        
	        
	        
	            
		            
		                Affirmative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    He/She/It'd been sitting.
			                 
		                
			                
		                
			                
		                        
		             
	            
		            
		                Negative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    He/She/It hadn't been sitting.
			                 
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    They hadn't been sitting.
			                 
		                        
		             
	            
		            
		                Interrogative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    Had he/she/it been sitting?
			                 
		                
			                
		                
			                
		                        
		             
	            
	         
	        
	        
        
    
        
	        
	        
	            
		            
	            
		            
		                Negative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    He/She/It won't have sat.
			                 
		                
			                
		                
			                
		                        
		             
	            
		            
	            
	         
	        
	        
        
    
        
	        
	        
	        
	        
        
    
        
	        
	        
	            
		            
	            
		            
		                Negative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    He/She/It wouldn't have sat.
			                 
		                
			                
		                
			                
		                        
		             
	            
		            
		                Interrogative
                    
		                
			                
		                
			                
		                
			                
		                
			                
			                    
			                    
			                        
			                    
			                    Would he/she/it have sat?