lấy 2 ví dụ mỗi cái ----- Nội dung dịch tự động từ ảnh ----- Compound Nouns A compound noun is a noun that is made of two or more words. Compound nouns can be formed using the following combinations: + Noun + Verb + Particle Noun Noun Noun toothpaste rainfall passer-by Verb + Particle Verb-ing + Noun Adjective Noun Particle + Noun Particle + Verb + checkout driving licence greenhouse underground output Note: A particle is a preposition or an adverb.n.vm