diff --git a/src/main/antlr4/astRefactor/astRefactor.g4 b/src/main/antlr4/astRefactor/astRefactor.g4
index bd24c170..a8399a89 100644
--- a/src/main/antlr4/astRefactor/astRefactor.g4
+++ b/src/main/antlr4/astRefactor/astRefactor.g4
@@ -100,7 +100,6 @@ CLASS               : 'class';
 ACCESSMODIFIER      : ('public' | 'private');
 WHITESPACE          : ' ';
 NEWLINE             : ('\r'? '\n' | '\r')+ ;
-ARGUMENTLIST        : 'argumentlist';
 GENERICDECLLIST     : 'List<T>';
 SOURCEFILE          : (UPPERCASE | LOWERCASE)+'.java';
 ASSIGNTOFIELD       : 'assigntofield';
@@ -108,10 +107,8 @@ ASSIGNLEFTSIDE      : 'assignleftside';
 WHILESTMT           : 'while()';
 DOSTMT              : 'do()';
 GENERICTYPEVAR      : 'generictypevar';
-PARAMLIST           : 'paramlist';
-FORMALPARAMETER     : ('int' | 'String' | 'char');
+FORMALPARAMETER     : ('int' | 'String' | 'double' | 'float' | 'boolean');
 FIELDDECLARATION    : 'fielddeclaration';
-FIELD               : 'field';
 CONSTRUCTOR         : 'constructor';
 VOID                : 'void';
 REFTYPE             : 'reftype';
@@ -120,8 +117,8 @@ WILDCARDTYPE        : 'wildcardtype';
 SUPERWILDCARDTYPE   : 'superwildcardtype';
 TYPEPLACEHOLDER     : 'typeplaceholder';
 GENERICREFTYPE      : 'genericreftype';
-THIS                : 'this';
-SUPER               : 'super';
+THIS                : 'this()';
+SUPER               : 'super()';
 FIELDVAR            : 'fieldvar';
 NEWARRAY            : 'new ArrayList<>()';
 LITERAL             : 'literal';