No, the proper way would be: Swim quickly.
"She did not have" is the proper grammar.
=How fast does a squid swim?==they can swim really fast=
"Don't it" is not proper grammar. The correct form is "doesn't it".
It is proper grammar to say, "I bet you".
Tiger it can swim. It works, but still poor grammar. ' The tiger ; it can swim. ' is more correct. Better alternatives is: ' the tiger can swim '
A penguin can swim as fast as a seal
no, that is definitely not proper grammar.
Dolphin swim fast so they can catch there prey
it can swim as fast as a jet
No, it is not proper grammar. The correct phrasing is "you and I."
swim well
What was there is proper grammar.