How do verbs change into nouns in English? How do nouns change into verbs?

How do verbs change into nouns in English? How do nouns change into verbs?

1、 How to change a noun into an adjective
1. Adding - y after nouns can become adjectives (especially some nouns related to weather). For example: rain rain, cloud cloud, wind windy, snow snow, health, luck, etc
Note: 1) if a noun ends with a stressed closed syllable and there is only one consonant at the end of the word, double the consonant at the end of the word and add - Y. for example, sun sunny, fun sunny, etc
2) For example, noise noise, ice policy and so on
2. Some abstract nouns can be changed into adjectives by adding - ful at the end of the word, such as care careful, thank thank thank, help helpful, use useful, beauty beautiful, etc
3. Some nouns indicating country can add - ese, - ish or - N at the end to form adjectives indicating nationality and language. For example: China Chinese, Japan Japanese, England English, America American, India Indian, Australia Australian (note Canada Canadian)
4. Add - ous after the noun to become an adjective. For example: danger - dangerous, etc
5. Add - ly after the noun to become an adjective. For example: friend friendly, love happy, etc
6. Add less after nouns to form adjectives with negative meaning. For example: care careless, use useless, hope hope, home homeless, etc
7. For some nouns ending with - ence, change "ence" to "ent" and become adjectives. For example: difference - different, silence - silent, etc
2、 How to change a verb into a noun
For example, work, study, water, plant, etc. can be used as verbs or nouns
2. Some verbs with - er or - or at the end of the word become nouns indicating "a certain kind of person". For example: work worker, teacher, sing singer, jump jumper, play player, learn learner, visit visitor, invest inventor, etc
Note: 1) for verbs ending with silent e, add - r at the end of the word. For example, drive driver, write writer, etc
2) For verbs ending with stressed closed syllables and having only one consonant at the end, double write the consonant at the end and add - er. For example: run runner, win winner, begin winner, etc
3. Add - ing at the end of the verb to become a noun (the same way as the verb to become the present participle). For example: meet meeting, build building, wait waiting, wash washing, swim swimming, shop shopping, begin beginning, etc
3、 How to turn adjectives into adverbs
Generally, adding - ly at the end of an adjective can become an adverb. For example, quick quick quick, slow slow, loud loud, sudden suddenly, etc
1. Some adjectives ending with "consonant + Y" should change y to I and add - ly. For example: happy happy, angry angrily, lucky lucky, heavy heavy, noisy noisy, etc
2. For some adjectives ending with - ble or - Le, remove E and add - Y
3. For a few adjectives ending with E, we should remove E and add - ly. For example: true true, etc. but most adjectives ending with e still add - ly directly. For example: polite politely, wide wide, etc
4. When an adjective ending in - L becomes an adverb, you should still add - ly at the end of the word, not only - Y. only - y should be added at the end of the word unless it ends in - LL. For example: Manual - normally