Free English grammar explanation video

Free English grammar explanation video: free English grammar explanation video 1. Countable nouns and their plural forms The plural forms of countable nouns are generally composed of suffixes plus -s or -es, and the plural forms of countable nouns are irregular.

Due to historical or etymological reasons, the plural forms of some nouns in English are irregular. This situation mainly includes: vowel changes. For example: foot-foot-man-woman-woman's teeth-tooth goose-freak mouse-mouse.

It ends with -en. For example, the sub-sub homomorphism of simple numbers and complex numbers. The nouns of singular and plural homographs mainly include: sheep, fish, Chinese, Japanese and deer. It's just a plural form. For example: pants, goods, etc.

Second, English grammar: the countability and usage of piano 1, its plural form is piano, not piano.

2. It means "piano". If it refers to concrete things like piano, it is a countable noun. He has two pianos. He has two pianos. There is a piano against the wall. There is a piano against the wall.

If it refers to the abstract meaning of piano performance, piano theory and piano skills, it is usually an uncountable noun (usually preceded by a definite article).

She plays the piano well. She plays the piano well. She studies piano under the guidance of Mr. Smith. She studies piano under the guidance of Mr. Smith.

There are different meanings on piano and piano. The former refers to playing the piano, while the latter refers to playing the piano. I found her sitting at the piano. Who is the man on the piano? Who is that piano player?