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ما صيغة النفى من had better -would rather ?
The negatives are made with not at the end: had better not, would rather not.
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Why do we say:“Are you any good at painting”? (Sec 1 WB, page 9, Ex. 3)
Here, any is an adverb that means “to any extent, in any degree, at all”. When we ask if someone is any good, we are asking if they are even a little bit good. If we want to know if someone really is good, we ask simply “Are you good at ...?”
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Sec 3, Unit 13, SB page 82. “These days women have as good an education as men.” Why does the indefinite article “an” come after the adjective here? ”?


. This is a very common structure in English: as (adjective) a/an (noun) as. Here it means that women have an education that is as good as men’s education.
Jane wore as beautiful a dress as any I’ve ever seen.
Henry made as delicious a pie as Sue did.
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Sec 2, Unit 6. how to make the comparative and superlative form of the adjectives which end with "ly" like friendly, silly, lovely, kindly, motherly,etc.


For many two-syllable adjectives, both the -er/-est form and the more/mostform are possible. For some two-syllable adjectives, only the more/most form is possible. Check a good dictionary to be sure.
For two-syllable adjectives that end in y preceded by a consonant, to make the -er/-est form we change the y to i and add the -er or -est ending. For example,tidy - tidier - tidiest. This rule works for the followng adjectives, and perhaps others. Check a dictionary:

tidy, busy, dirty, dry, early, easy, empty, funny, pretty, happy, heavy, ready, sleepy, ugly (also more/most ugly); also for opposites beginning withun- : untidy, unhappy, uneasy

However, the comparative/superlative of shy is shyer - shyest.

LDOCE does not give a comparative form of motherly, and I think it would be unusual to compare this adjective. I would use more motherly.

Kindly is old-fashioned. I would use kind - kinder - kindest. LDOCE does not give comparative/superlative forms, but Merriam-Webster Third New International Unabridged gives the comparative/superlative as -er/-est. (The yshould change to
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Nothing is more ugly than a street without trees. Is it grammatically correct to say "more ugly"?
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Yes, this is grammatical. Many two-syllable adjectives can form the comparative and superlative with either -er, -est or with more, most. In fact, the comparative/superlative with more, most is becoming more common.
See Comparatives and superlatives in the Archives for more.
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On a plane, was written : “Fasten your seat belt while seated.” What is the grammatical rule of “while seated”?


I don’t fully understand what you mean by a grammatical rule. This sentence is short for Fasten your seat belt while you are seated. Signs and headlines often use a style, called block language, that excludes pronouns, the verb be, articles, etc. You can read about block language and about abbreviated sentences in instructional writing in Quirk et al, A Comprehensive Grammar of the English Language, pp 845-848.
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Do we say "many" or "much" foods?


Food, like many other words, has both countable and uncountable uses.
When you have the plural foods, you use the determiner many. The plural foodsmeans different things to eat, different kinds of foods.

Many processed foods have too much salt in them.
Some traditional Egyptian foods are fava beans (ful), falafel, and molokhia.

When you have the singular food, you use the determiner much. This means that you have a large quantity of food, whether one type or more than one type.

There was a lot of food served at the wedding.
I like to eat Japanese food.
We have to go shopping. There's not much food in the house.
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