nega

Since ( từ khi )

• S + have/has + V3/ed SINCE S + V2/ed

• S + had + V3/ed SINCE S + V2/ed

• S + have/has + V3/ed SINCE + V2/ed

By + thời gian

• By + thời gian quá khứ
  S + had + V3/ed
  
  By + thời gian tương lai
  S + will have + V3/ed

• By + thời gian quá khứ
  S + have + V3/ed
  
  By + thời gian tương lai
  S + will have + V3/ed

• By + thời gian quá khứ
  S + had + V2/ed
  
  By + thời gian tương lai
  S + will have + V3/ed

By the time

• By the time S + V2/ed, S + had + V3/ed
  
  By the time + S + Vses, S + Vses / S + will have + V3/ed

• By the time S + V2/ed, S + have + V3/ed
  
  By the time + S + Vses, S + Vses / S + will have + V3/ed

• By the time S + V2/ed, S + had + V3/ed
  
  By the time + S + Vses, S + Vses / S + will + V3/ed

At this / that + tg

• At this/that + tg quá khứ, S + were/was + V_ing
  
  At this/that + tg tương lai, S + will be + V_ing

• At this/that + tg quá khứ, S + were/was + V3/ed
  
  At this/that + tg tương lai, S + will be + V_ing

• At this/that + tg quá khứ, S + were/was + V2/ed
  
  At this/that + tg tương lai, S + will be + V3/ed

Until ( Cho đến )

• S + will + Vo + until/till
  {S + Vses
  {S + have/has + V3/ed

• S + will + V_ing + until/till
  {S + Vses
  {S + have/has + V3/ed

• S + will + Vo + until/till
  {S + Vses
  {S + have/has + V2/ed

Before

• Before S + Vses, S + will have + V3/ed
  
  Before S + V2/ed, S + had + V3/ed

• Before S + V3/ed, S + will have + Vses
  
  Before S + V3/ed, S + had + Vses

• Before S + Vses, S + will have + V3/ed
  
  Before S + V2/ed, S + had + V2/ed

After

• After S + have/has + V3/ed, S + Vses
  
  After S + had + V3/ed, S + V2/ed

• After S + have/has + V2/ed, S + V3/ed
  
  After S + had + V2/ed, S + V3/ed

• After S + have/has + V3/ed, S + V2/ed
  
  After S + had + V3/ed, S + V2/ed