Unlimited if they are skilled enough to do that
That simply means that energy can take on very different forms, and that it may take some practice to recognize those different forms as manifestations of the same thing, i.e., different types of energy.
It depends on what the author writing about them wants. In some works of fiction, the forms a shapeshifter can take are limited only by his or her imagination and individual skill level. (e.g. transformation jutsu in Naruto) In other stories, a shapeshifter is limited by what it has encountered. For example, the X in Metroid Fusion can take the forms of creatures whose DNA they have absorbed. Other shapeshifters may be liited to a given set of forms, such as with Ben from the TV show Ben 10 or Dax frome the Shapeshifter book series. Still others may only be limited to one form into which they can shift, such as the animagi in Harry Potter.
It depends on what work of fiction the shapeshifter is in. In some a a shapeshifer indeed has no limits. However, in some works, such as the TV series Ben 10, a shapeshifter is limited to a given set of forms. In the Harry Potter series, an animagus can only shift into one animal form unnique to that person. Some may be limited by other factors, for example the X parasites in Metroid Fusion can only take for form of creatures whose DNA they have absorbed.
Disagreement with the law can take many different forms. Some are legal, some are not.
There are a great many different forms that cancer can take. Cancer can come in tumors or in the blood.
they can take different forms, the forms at liquid solid and gas.
The word "do" can be used as a verb, a noun, and an auxiliary verb in English. It can also take on different forms in terms of tense, such as "did," "does," and "doing."
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They're just vampires. Simple as.
Professionalism can take many different forms. Professionalism in a casual graphic design office might look very different from professionalism in a corporate law office.
Energy can take on various forms such as kinetic (motion), potential (stored), thermal (heat), radiant (light), chemical (stored in bonds between atoms), nuclear (from atomic reactions), and electrical (flow of electrons). These different forms can be converted from one to another, following the laws of physics.
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