The word 'sobbing' is the present participle of the verb 'to sob'. The present participle is also a gerund (verbal noun) and an adjective. The noun form can be either concrete or abstract, depending on use:
Concrete: Sobbing was heard coming from her room.
Abstract: The sobbing of broken hearts is a favored topic of movies and poems.
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Is undergone an abstract noun
The abstract noun is criticism.
The abstract noun is obligation.
Abstract noun of hopeless
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Yes, it is the present participle of the verb (to sob) and may be used as a verb form, as a gerund noun (e.g. sobbing was heard), or as an adjective (sobbing women).
Is undergone an abstract noun
Concrete noun
The abstract noun is criticism.
The noun 'hopefulness' is an abstract noun, a word for an emotion.
The abstract noun is obligation.
Abstract noun of hopeless
Friendship has not abstract noun because It is a abstract noun
The abstract noun form is tourism.
The abstract noun for the adjective vacant is vacantness. Another abstract noun form is vacancy.
The abstract noun for the adjective quick is quickness.