Daren't is shortened from dare not .
Here are some examples:I am (full version) - I'm (shortened version)you are (full version) - you're (shortened version)he is (full version) - he's (shortened version)we are (full version) - we're (shortened version)must not (full version) - mustn't (shortened version)do not (full version) - don't (shortened version; in speech the vowel is different too)will not (full version) - won't (shortened; again there is a vowel change in speech)has not (full version) - hasn't (shortened version)
It would be shortened to "You'd had". For example "You'd had your chance" instead of "You had had your chance"
That's
Wouldn't
The shortened version of 'it has' is 'it's'.
hello shortened is ''hi''
It is shortened for give.
The shortened version of 'it has' is 'it's'.
'You have' is not a shortened form of anything. It has a shortened form, 'you've'.
they (ha)ve is shortened to the contraction they've.
Daren't is shortened from dare not .
Here are some examples:I am (full version) - I'm (shortened version)you are (full version) - you're (shortened version)he is (full version) - he's (shortened version)we are (full version) - we're (shortened version)must not (full version) - mustn't (shortened version)do not (full version) - don't (shortened version; in speech the vowel is different too)will not (full version) - won't (shortened; again there is a vowel change in speech)has not (full version) - hasn't (shortened version)
it has shortened the travel time. it has shortened the travel time.
An abbreviated (or shortened) word for advertisement is 'ad'.
Christopher Katherine shortened to Kitty shortened to Kit
Scotland can't be abbreviated, But the name of the Scottish people can be shortened to Scots.