ตะลุยโจทย์ Ent. ไวยากรณ์เกี่ยวกับรูปกาลอดีต

we having
 

there being
 

there having
 

we had    

had left, was informed
 

had left, had been informed
 

leaves, has been informed
  

left, was informed  

Seen and left, be
 

To be seen leaving, to be
 

Seen leaving, to be
 

Tawan seen and left, to be     

will have come
 

has been coming
 

would come
 

would have come    

the bus had picked up ten people before the accident had occurred.
 

the bus has picked up ten people before the accident was to occur.
 

the bus picked up ten people before the accident had occurred
 

the bus had picked up ten people before the accident occurred    

Trapping, was reached
 

Trapping , had been reached
 

Trapped, is reached
 

Trapped, could be reached    

passed, past, past
 

past, passed, past
 

passed, past, passed
 

past, passed, passed   

You haven’t got the ticket, have you
 

You haven’t won the prize, have you
 

You didn’t win the prize, did you
 

You didn’t have the ticket, did you     

declared……….had received
 

has declared……….is receiving
 

had declared………had received
 

declares…………has received