apeyerx.blogg.se

COULDN’T HAVE vs CAN’T HAVEĬan be used interchangeably – but can’t is stronger, like impossible. In turn, the verb “can’t” used in the present tense means that a situation is impossible.Ĭan’t have, correspondingly, means that a situation could not have happened in the past: When we expressed certainty about an event or state, in the past we use “must have”: When something certainly happened (certainty) He couldn’t have gone to the shopping centre. Whereas negative form “couldn’t have” is used to talk about something that couldn’t have happened and something impossible. I could have gone to the cinema, but I decided to stay home. The form “could have” is also used when talking about something that could have happened, but did not. When something could have happened but did not. I think/I suspect (probably) I lost my keys in the pubĢ. I think/I suspect (probably)I lost my keys in the pub To make an assumption about the past, we also use “could have” form. To make an assumption/guess about the past.Ĭould have and might have can be interchangeable and mean the same thing I think/I suspect (probably) they had never met beforeĬOULD + HAVE + PAST PARTICIPLE 1. I think/I suspect (probably) I lost it somewhere It does not store any personal data.I think/I suspect (probably) I was shopping at that time The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary".

The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Present Perfect Continuous Tense Exercises.