It may have been Pam who forgot to lock the door

[neb090]

1. It may have been Pam who forgot to lock the door. She was the last one to leave the classroom yesterday.
2. It could have been Pam who forgot to lock the door. She was the last one to leave the classroom yesterday.
3. It might have been Pam who forgot to lock the door. She was the last one to leave the classroom yesterday.

In the above three sentences, is the possibility from low to high: could > may > might?

 

[emsr2d2]

1. It may have been Pam who forgot to lock the door. She was the last one to leave the classroom yesterday.
2. It could have been Pam who forgot to lock the door. She was the last one to leave the classroom yesterday.
3. It might have been Pam who forgot to lock the door. She was the last one to leave the classroom yesterday.

In the above three sentences, is the possibility from low to high: could > may > might?

No. They all express roughly the same level of uncertainty (less than 100%). Learners often try to attach levels of possibility to these words. Don't waste your time on it.

 

[Rover_KE]

neb,090, yet again, you have failed to state the source of the original context.

Without this, it looks like you're asking for help with your homework.

 

[neb090]

neb,090, yet again, you have failed to state the source of the original context.

Without this, it looks like you're asking for help with your homework.

Sorry. Here is the source.

燒腦文法一次搞定：英文「推測語氣」怎麼用？

英文中要表達「推測」，除了maybe以外，還可以用「情態助動詞」表示，這類助動詞常見的有may、might、could......

blog.english4u.net

 

[jutfrank]

In the above three sentences, is the possibility from low to high: could > may > might?

No. Didn't we tell you a couple of weeks ago that that's not the case?

 

[dunchee]

No. Didn't we tell you a couple of weeks ago that that's not the case?

To be fair to neb090, it was sitifan( https://www.usingenglish.com/forum/threads/is-could-more-sure-than-may-or-might.300288/ ).