What are nouns? What are verbs? What are adjectives? How to distinguish, better give some sentences

A noun is the name of a person, thing, place or abstract concept. For example: desk desk time life book room honest worker pencil computer desk.bag The schoolbag is on the desk

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1. Hardware is a noun, it's not a verb. Why does it add ing to become an adjective of hardware? Or does the noun add ing also have some adjective form Get rid of it. Be clear
2. Is the addition of ing to a verb a noun form of a verb
3. Some adjectives in English are composed of verb ing or verb + ed. 10 examples The more, the better
4. What adjectives are there in English that consist of verb + ing or verb + ed? For example: surprising / surprised, exiting / exited
5. Why do some verbs add ed to become adjectives while others add ing?
6. When is the verb to add ing
7. When does the verb "ing" need double writing
8. What is the accusative case? Under what circumstances does he use it? If there is a verb in the same sentence with him, is this verb followed by ing or es
9. Like is followed by a verb. Is it necessary to add ing to the verb?
10. What are the rules of adding ing to verbs when they change nouns?
11. The adjective "ing" is an adjective formed by adding "ing" to a verb Isn't ing used to express progressive? How can it express adjectives? What's the matter It doesn't work to use this form?
12. Verb + ing can be a noun or an adjective, right? What part of speech can it be?
13. When is the ing form of a verb a noun and an adjective? I'm confused. Can anyone summarize it? What are the components of the sentence?
14. Classification of the past tense of English Verbs
15. Single phase bridge rectifier capacitor filter circuit is shown in Figure 5, known U2 = 20V, load resistance RL = 40, C = 1000 μ F &Single phase bridge rectifier capacitor filter circuit is shown in Figure 5, known U2 = 20V, load resistance RL = 40, C = 1000 μ F. find: (1) normal output voltage; (3 minutes) & nbsp; (2) output voltage when a diode is open circuit; (4 minutes) & nbsp; & nbsp; (3) if the measured output voltage of the circuit is the following value, it indicates what fault may occur in the circuit. (1) uo = 18V; (2) output voltage when a diode is open circuit Uo = 28V ③ uo = 9V (3 points)
16. The electromotive force of the power supply is e = 12V, and the internal resistance R = 0.5 Ω. A bulb with rated voltage of 8V and rated power of 16W is connected with a bulb with coil resistance R of 0.5 Ω After the DC motor is connected in parallel with the power supply, the bulb just lights normally, and the total current is calculated ① U motor = u bulb = 8V = u external circuit ﹥ u internal circuit = E-U external circuit = 4V ﹥ total current = 4V ﹥ 0.5eu = 8A ② R outer = 4 × 0.5 △ 4 + 0.5 = 4 / 9 total current = E / (4 / 9 + 0.5) = an extra large fraction Why are the numbers calculated different? Why is the second method wrong?
17. Who knows to the fast electric kettle to know the voltage is 220 V, the power is 1200 W. how much is the current
18. If the resistance of series circuit increases, is the total energy consumed large or small? If the resistance of parallel circuit branch increases, is the total energy consumed large or small
19. The difference between triangle start and star start of three phase asynchronous motor?
20. The following statements are correct: 1.0 is the number with the smallest absolute value. 2. The number whose opposite number is greater than itself is negative. 3. The numbers on both sides of the origin on the number axis are reciprocal to each other. 4. Compared with two balls, the number with the largest absolute value is smaller. A.1.2 B.1.3 c.2.3 d.1.4