He would bark until someone opened the gate.请问这个句子是复合句吗?还是单纯的过去将来时和过去式的句子?

He would bark until someone opened the gate.请问这个句子是复合句吗?还是单纯的过去将来时和过去式的句子? Is a goldfish ( bark) ; Wait until he (reach) the bus stop紧急 he would bark until someone opened the gate.that's what he____.1 is used to doing 2 used to do请问选择哪个,及说出每个为什么对与错 Our dog ,Rex ,used to sit outside our front gate and bark .Every time he wanted to comeinto the garden he would bark until someone opened the gate .As the neitherbours complained of the noise ,my husband spent weeks training him to press his paw on t 请问这句话中would的作用新概念二册的课文This time he was barking so that someone would let him out!Every time he wanted to come into the garden he would bark until someone opened the gate.请问这两个句子中为什么要用到woul he‘d never bark or bite这里的‘d 指的是would 这句话是什么意思? Every time he wanted to come into the garden he would bark until someone opened the gate.每当它想到花园里来时,便汪汪叫个不停,直到有人把门打开.这是原文.我感觉第二he前面是不是省略了什么. he said that he would/won't until tomorrow bark He would jump ( ）he made it答案是until 为什么不能用what呢? 英语选择~not until he arrived home ( ) he find that this wallet had been stolen.not until he arrived home ( ) he find that this wallet had been stolen.A.would B.did 为什么不是would呢? He'd never bark.是肯定句还是否定句 Not until the game had begun_____at the sports groundA,should he have arrivedB,had he arrivedC,did he arriveD,he would have arrived until the game had begun——at the sports grounda had he arrivedb would he have arrivedc did he arrived should he have arrived并说出为什么 If I left the room,he would cry until I returned.这句话为什么是正确的呢?不是not...until结构吗? not until the game had began ---at the sports ground.not until the game had began ____at the sports ground A.had he arrive B.would he have arrive C.did he arrive D.should he have arrive 高一英语这句话怎么翻译?He drove his car up until last year and would review document. thriller bark thriller bark