时间状语 now look listen it's o'clock over there的中文意思

时间状语 now look listen it's o'clock over there的中文意思 look是什么时态的时间状语 just now是什么时态的时间状语 by now.until now.so far.up to now.till now.是不是都是一段时间的时间状语或是与现在时间相连的时间状语? just now 到底是哪个时态的标志性时间状语 将句子改为现在进行时,时间状语改为now Look,the little boy is ( ) his new radio now.A、listen B、listening to C、listening 用“be+动词ing形式”造6句话（用上look listen now） 现在进行时的标志有哪些?比如:now,listen,look,at the moment... Now look Look and listen Look and listen at present=now?at present=now吗?皆可在句末做时间状语? He is in Beijing now in Beijing 是表语吗 now 是时间状语吗 Now listen again and He reads books every day.(用NOW作时间状语改写句子)They play soccer on the playground every afternoon.(用NOW作时间状语改写句子) by now.until now.so far.up to now.till now.是不是都可用于现在完成时的未完成用法?是不是都是一段时间的时间状语或是与现在时间相连的时间状语? Look!My mother is carrying a shopping bag.（把时间状语换成often):My mother often( ).