接现在完成时。当since表示“自从”时,不管它是用作介词、连词还是副词,它通常都要与现在完成时(since前)连用。如:I’ve worn glasses since my childhood.我从小就戴眼镜。当主句表示“多长时间”时,动词可用一般现在...
2、since之后常接名词、动名词作其宾语,since then意为“从那以后”。3、since用作副词表示“以前”时还可和long,ever连用。long since意为“好久以前”,not long since意为“就在不久前”,ever since意为“从那时...
since之后常接名词、动名词作其宾语,since then意为“从那以后”。since引导时间状语从句时,若主句表示目前的状况是由于过去某一件事所造成的后果或影响时,其谓语动词也可以用一般现在时;有时候,通过上下文,可以看出从句...
2、since之后常接名词、动名词作其宾语,since then意为“从那以后”。adv.(副词)since用作副词表示“以前”时还可和long, ever连用。long since意为“好久以前”, not long since意为“就在不久前”, ever since意为...
〔连词〕1) 引导时间状语,意思同介词,后面跟从句,如 I've earned my own living since I was seven, doing all kinds of jobs (从 7 岁起我就自己养活自己,做过各种工作);2) 引导原因状语从句,表示 “既然/...
。如:He has lived there since he bought the house 自他买房后,他就住在那。加延续性动词表示“自动作结束后”。如 He has lived there since he worked in the factory.自他不在那厂工作以来,他就住在那。
since表示因为、既然的时候是连词 所以后面只能接句子
since的用法:译作“自从…以来”(1)接时间点:如 I have stayed in that country since 1995. 要求:谓v.用现在完成时,而且须是延续性动词。接一段时间 + ago:如 They have lived in that house since two years...
3.、用作连词,意为”从…以来;由于;既然“等。He has been ill since I saw him last time.从上次我见他以来,他一直在生病。Since you have finished the work, let’s go to the park.既然你已把工作做完了...
for后接句子和名词都可以 since后要接句子