MODALS - possibility

• WHAT IS THE DIFFERENCE IN MEANING

I SHOULD HAVE BEEN WEARING A SAFETY BELT

I MUST HAVE BEEN WEARING A SAFETY BELT

I MIGHT HAVE BEEN WEARING A SAFETY BELT

I SHOULD HAVE BEEN WEAR ING A SAFETY BELT

YOU DIDN’T HAVE A SAFETY BELT ON DESPITE A LAW SAYING THAT DRIVERS MUST WEAR THEM

I MUST HAVE BEEN WEAR ING A SAFETY BELT

YOU ARE SURE YOU WERE WEARING ONE EVEN THOUGH YOU CANT REMEMBER IT?

I MIGHT HAVE BEEN WEAR ING A SAFETY BELT

YOU ARENT SURE IF YOU WERE WEARING A SAFETY BELT

WHAT WOULD YOU SAY IN THESE SITUATIONS? USE I SHOULD HAVE ……. I MUST HAVE…… I MIGHT HAVE….

YOU HAD AN ACCIDENT LAST YEAR . YOU WERE ALMOST KILLED IT WAS LUCKY YOU WERENT

I MIGHT HAVE BEEN KILLED.

YOU CANT REMEMBER BUT YOU ARE SURE YOU WERE DRIVING AT A SAFE SPEED ( YOU ALWAYS DO )

I MUST HAVE BEEN DRIV ING AT A SAFE SPEED

AND YOU ARE SURE ( ALTHOUGH YOU CANT REMEMBER ) YOU WERE WEARING A SAFETY BELT

I MUST HAVE BEEN WEAR ING A SAFETY BELT

AT THAT PARTICULAR TIME YOU ARE USUALLY WORKING BUT INFACT YOU WERENT THAT DAY.

I SHOULD HAVE BEEN WORK ING AT THAT PARTICULAR TIME

INFACT YOUR BOSS EXPECTED YOU TO BE HELPING HIM.

I SHOULD HAVE BEEN HELP ING MY BOSS.

YOU ARENT SURE IF YOU WERE LISTENING TO YOUR CAR RADIO WHEN THE ACCIDENT HAPPENED

I MIGHT HAVE BEEN LISTEN ING TO THE CAR RADIO WHEN THE ACCIDENT HAPPENED

ALTHOUGH YOU CANT REMEMBER YOU ARE SURE YOU WERE THINKING OF SOMETHING ELSE ( AND NOT THE TRAFFIC AND ROAD )

I MUST HAVE BEEN THINK ING SOMETHING ELSE

YOU USUALLY CONCENTRATE ON YOUR DRIVING BUT YOU DIDN’T THAT DAY

I SHOULD HVE BEEN CONCENTRAT ING ON MY DRIVING