The difference between how and what

In English, how is an interrogative adverb and what is an interrogative pronoun. In the sentence patterns they create, they can sometimes be used interchangeably to express the same or similar meanings.

1. Ask the weather: How about …? = What ... Like what? For example:

What was the weather like yesterday? What was the weather like yesterday?

What was the weather like yesterday?

Second, ask for opinions or suggestions: How about ... = What about ...? For example:

How about going skating?

How about going skating? How about going skating?

Third, ask age: how old ... = what ... age ...? How old are you?

Fourth, ask your opinion: How do you like? = What … Think of/About …? For example:

What do you think of this movie? What do you think of this film?

What do you think of this film?

Ask the price: how much ... = the price of what? For example:

How much is this book?

What's the price of this book? How much is this book?

Six, "How/what+ countable noun singular" constitutes an exclamation sentence: How+adj+a/an+n…! What+a/an +adj

+n. …！ For example:

What a clever girl she is! What a clever girl she is!

What a clever girl she is!

Seven, "how/what+ countable noun plural or uncountable noun" constitutes an exclamatory sentence, with different sentence structures and slightly different Chinese meanings. For example:

How high these mountains are! How high these mountains are!

What a high mountain! What a high mountain!

Of course, some exclamations caused by how cannot be converted by what, for example, how in the following sentences should not be replaced by what.

How fast he runs! How fast he runs!

How time flies! How time flies!