The shortened version of 'it has' is 'it's'.
The shortened version of 'it has' is 'it's'.
It is shortened for give.
hello shortened is ''hi''
'You have' is not a shortened form of anything. It has a shortened form, 'you've'.
The shortened name for oxygen is O2.
The shortened form for 'superintendent' is 'supt.'
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)
Christopher Katherine shortened to Kitty shortened to Kit
it has shortened the travel time. it has shortened the travel time.
An abbreviated (or shortened) word for advertisement is 'ad'.