Page 212 - Practical English Usage 3ed - Michael Swan, Oxford

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farther and further distance
We use both farther and further to talk about distance. They mean the same. Edinburgh is fartMrlfurtMr away than York.
'additional'
Further (but not farther) can mean 'additional', 'extra', 'more advanced'. For further information, see page 6. College ofPurtMr Education
202 feel
Feel has several different meanings. Progressive forms can be used with some meanings, but not with others. Feel can be a 'link verb' (see 328), followed by an adjective or noun complement. It can also be an ordinary verb, followed by a direct object.
1 link verb: I feel fine
Feel can be used to talk about one's physical or mental sensations. Adjective or (in British English) noun complements are used.
[ feel fine. Do you feel happy? Andrew was beginning to feel cold.
When Louise realised what sM had done, she felt a complete idiot. (BrE) In this sense feel is not normally used with reflexive pronouns (myself etc).
He always felt inferior when he was with Mr.
(More natural than He always felt himselfinferior ...)
To talk about feelings that are going on at a particular moment, simple or progressive forms can be used. There is little difference of meaning.
[ feel fine. I ['m feeling fine.
How do you feel? I How are you feeling?
2 link verb: That feels nice!
Feel can also be used to say that something causes sensations. Progressive forms are not used.
That feels nice! The glass felt cold against my lips.
3 link verb: feel like; feel as if/though
Feel can be followed by like or as iflthough.
My legs feel like cotton wool.
Alice felt as iflthough she was in a very nice dream.
(Alice felt like she was ... is also possible - see 74.)
4 feel like meaning 'want'
Feel like can also mean 'want', 'would like'. I feel like a drink. Have you got any beer?
In this sense, feel like is often followed by an -ing form. [felt like laughing, but [ didn't dare.
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