duringoversincefor的用法和时态
duringoversincefor的用法和时态
duringoversincefor的用法和时态
duringoversincefor的用法和时态
during
表示在.期间,没有时态限制,可能是现在,可能是过去.
throughoutthecourseordurationof(aperiodoftime):thee.g.restaurantisopenduringtheday.
theperiodduringwhichhegrewtoadulthood.
over
这个意思就多了,甚麼超过啊,路过啊.
beover表示不在受甚麼东西影响了.e.g.wewereovertheleast.
overandover就表示一遍一遍的
反正over就有超过,覆盖的意思,更加没有时态限制.
since
意思:“自从...起”.一般用现在完成时态
表示“因为”意思时候,没有时态限制
longsince做副词时候也不需要用完成时态.
preposition,conjunction,&adverb
1intheinterveningperiodbetween(thetimementioned)andthetimeunderconsideration,typicallythepresent:[asprep.]shehassufferedfromcysticfibrosissince1984|theworstpropertyslumpsincethewar|[asconj.]I'vefeltbettersinceI'vebeenhere|[asadv.]sheranawayonFridayandwehaven'tseenhersince.
2[conj.]forthereasonthat:because:delegatesweredelighted,sincebetterprotectionofrhinoreserveswillhelpprotectotherrarespecies.
3[adv.]ago:thesettlementhadvanishedlongsince.
for
指一段时间的长度.
我已经13年没有见她了.
Ihavenotseenherfor13years
Ihavenotseenhersince1995.
indicatingthelengthof(aperiodoftime):hewasinprisonfor12years