private SyntaxTree statementSequence(){
		
		SyntaxTree node = this.statement();
		SyntaxTree node2 = node;
		TokenType.Element type = this.currentToken.getType();
		
		while( type != TokenType.Element.NONE && type != TokenType.Element.END && type != TokenType.Element.ELSE && type != TokenType.Element.UNTIL ){
			
			SyntaxTree node3 = null;
			this.match( TokenType.Element.INSTRUCTION_END );
			node3 = this.statement();
			
			if( node3 != null ){
				
				if( node == null )
					node = node2 = node3;
				else {
					node2.next = node3;
					node2 = node3;
				}
			}
			
			type = this.currentToken.getType();
		}
		
		return node;
	}