except 的用法,form LONGMAN
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except
1 used to introduce the only person, thing, action, fact, or situation about which a statement is not true:
ex:The office is open every day except Sundays.
ex:You can have any of the cakes except this one.
except for
ex:Everyone went except for Scott and Dan.
ex:She felt fine except for being a little tired.
except (that)
ex:Clarissa could think of nothing to say except that she was so sorry.
except in/by/to etc
ex:Staff are not permitted to make personal phone calls except in an emergency.
except when/where/if
ex:Benson kept the studio locked except when he was working there.
except do something
ex:She had nothing to do except spend money.
except to do something
ex:He wouldn't talk about work, except to say that he was busy.
2 used to give the reason why something was not done or did not happen
except (that)
ex:Liz would have run, except that she didn't want to appear to be in a hurry.
3 spoken used to mention a fact that makes what you have just said seem less true
except (that)
ex:I have earrings just like those, except they're blue
ex:A date book would make a great gift, except that a lot of people already have one.
except, besides, apart from, unless
except means 'not including' or 'but not'
• They invited everyone except Julie.
besides means 'in addition to'
• Besides Italy (NOT except Italy), I would like to visit France and Spain.
apart from can be used with either meaning
• I ate everything apart from (OR except) the soup.
• What do you like doing apart from (OR besides) swimming?
except is not used to introduce another clause. Use unless or except if, except when, except while, except that
• We won't go unless you really want to (NOT except you really want to).
• I cycle to work, except when it rains (NOT except it rains).
In spoken English, people sometimes leave out 'that'
• The play went well, except (that) a few people forgot their lines.