What are the words of damage in English and their usage differences?

What are the words of damage in English and their usage differences?

Destruction is the most serious and cannot be repaired
"Ruin" refers to emotional damage and destruction into ruins
Spoil means waste, such as land
Damage means damage, and the degree of damage is weak

What are the phrases in English that have been used for how long

--How long does it take to do ...
--Two hours.

These words are often used to ask questions in English
Can must need may have done are!

1. Can: Yes
Can you help me?
2. Must: (means necessary, command or compulsory)
Must we be home by six?
3. Need: (mostly used in interrogative and negative sentences)
Need you go so soon?
Do you need to leave so early
4. May: Yes
"May I come in?" "Yes,please."
"May I come in?" "please."
5. Have: (mostly used in the present perfect tense)
Have they finished the work yet?
Have they finished the work yet?
6. Do: (form interrogative sentence, negative sentence)
Does he speak Chinese?
Does he speak Chinese?
7. Are: (used in second person singular plural present tense, first person plural present tense and third person plural present tense)
Are you from Singapore?
Are you Singaporean?