Parts of Speech for Thumb-sucking
thumb-suck·ing
T t Gramatical Hierarchy
Grammatically "Thumb-sucking" is a noun. But also it is used as a .
All about thumb-sucking Download all about thumb-sucking in pdfGrammatically "Thumb-sucking" is a noun. But also it is used as a .
All about thumb-sucking Download all about thumb-sucking in pdf