able • possible

It will be possible to see you on Friday
(Not* It will be able*)

I'll be able to see you on Friday
(Not* I`ll be possible*)

(It + possible; human subject + able)

absent • away

I'm going on holiday and I'll be away for a
(fortnight. (preferable to absent

How many students were absent from your
(*class today? (Not *away

(away = elsewhere; absent = not present)


بهذا أكتفي ، والله ولي التوفيق
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