A revisit to the functions and forms of various verbs may help to resolve the confusion.
1. Action verb--- Somebody does something and puts up some effort to do it. ---EX: Jack and Jill danced all day long
2. Linking verb: A verb that connects the subject with the predicate. It is called status verb, extant verb because it just indicates a status.
EX: Jack & Jillappear nervous. Here Jack and Jill do not do the action of appearing nervous.
3. Helping verb: This verb cannot act independently.
...
1. Action verb--- Somebody does something and puts up some effort to do it. ---EX: Jack and Jill danced all day long
2. Linking verb: A verb that connects the subject with the predicate. It is called status verb, extant verb because it just indicates a status.
EX: Jack & Jillappear nervous. Here Jack and Jill do not do the action of appearing nervous.
3. Helping verb: This verb cannot act independently.
...
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