Done properly, the movements of Tai Chi should flow smoothly and continuously throughout the entire form. There should be no pauses or breaks between the movements.
The form should flow like a river from beginning to end.
However, when you first learn a Tai Chi form you do so one move at a time. This method of learning can lead to a way of thinking about the movements as separate. This thinking creates a natural tendency to pause for a brief movement between each of a form’s movements.
One way to break this down and to make your form flowing and continuous is to imagine each move ‘melting’ into the next.