热心网友
A 时间状语从句:连接时间状语从句的连接词有: (1) 连词：when, while, as。 它们都表示当…时候的意思。如果主句和从句的动作同时发生且都是进行时 态，只用while, as。 其他情况下when, while, as通用。１ When he came in, I was listening to the radio．２ As I was wandering in the street, I met her。３ While (as) I was watching TV, my mum was cooking in the kitchen。(2) 连词before, after, since, until(till)。 当他们表示时间时，他们既是介词又是连词。{ He usually drinks a cup of tea before he goes to school。 连词 He usually drinks a cup of tea before going to school。 介词 { He usually drinks a cup of coffee after he comes back from school。 连词 He usually drinks a cup of coffee after coming back from school。 介词 { I have lived in Dalian since my son was born in 1999。 连词通常情况下，主句用现在完成时，从句用一般过去时。I have lived in Dalian since 1999。 介词 { I will wait here until(till) you finish your job。 连词I will wait here until(till) 8pm。 介词 (3) 词组：as soon as{ I will tell him as soon as he comes back。As soon as she finishes her homework, she will play tennis。通常情况下，主句用一般将来时，as soon as 引导的从句用一般现在时。 。
热心网友
连接时间状语从句的连接词有: (1) 连词：when, while, as。 它们都表示当…时候的意思。如果主句和从句的动作同时发生且都是进行时 态，只用while, as。 其他情况下when, while, as通用。１ When he came in, I was listening to the radio．２ As I was wandering in the street, I met her。３ While (as) I was watching TV, my mum was cooking in the kitchen。(2) 连词before, after, since, until(till)。 当他们表示时间时，他们既是介词又是连词。{ He usually drinks a cup of tea before he goes to school。 连词 He usually drinks a cup of tea before going to school。 介词 { He usually drinks a cup of coffee after he comes back from school。 连词 He usually drinks a cup of coffee after coming back from school。 介词 {I have lived in Dalian since my son was born in 1999。 连词通常情况下，主句用现在完成时，从句用一般过去时。I have lived in Dalian since 1999。 介词 { I will wait here until(till) you finish your job。 连词I will wait here until(till) 8pm。 介词 (3) 词组：as soon as{ I will tell him as soon as he comes back。As soon as she finishes her homework, she will play tennis。通常情况下，主句用一般将来时，as soon as 引导的从句用一般现在时。
热心网友
A 时间状语从句:连接时间状语从句的连接词有: (1) 连词：when, while, as。 它们都表示当…时候的意思。如果主句和从句的动作同时发生且都是进行时 态，只用while, as。 其他情况下when, while, as通用。１ When he came in, I was listening to the radio．２ As I was wandering in the street, I met her。３ While (as) I was watching TV, my mum was cooking in the kitchen。(2) 连词before, after, since, until(till)。 当他们表示时间时，他们既是介词又是连词。{ He usually drinks a cup of tea before he goes to school。 连词 He usually drinks a cup of tea before going to school。 介词 { He usually drinks a cup of coffee after he comes back from school。 连词 He usually drinks a cup of coffee after coming back from school。 介词 {I have lived in Dalian since my son was born in 1999。 连词通常情况下，主句用现在完成时，从句用一般过去时。I have lived in Dalian since 1999。 介词 { I will wait here until(till) you finish your job。 连词I will wait here until(till) 8pm。 介词 (3) 词组：as soon as{ I will tell him as soon as he comes back。As soon as she finishes her homework, she will play tennis。通常情况下，主句用一般将来时，as soon as 引导的从句用一般现在时。 。