If I remember correctly, Bee, Nii, Utakata, and Gaara were all able to transform into their Biju. Gaara was not able to do so consciously. Bee we all know about. Utakata did once in the filler ark where Naruto and Utakata were fighting some random ninjas. Nii did when she was fighting Hidan and Kakuzu. Han, Roshi, Fu, and Yagura we do not know about (not enough info on them) and Naruto we know cannot.
For all the ressurected jinchurriki, regardless of their past powers, they should all be able to transform into their full Bijus like Bee can thanks to the power of the Sharingan and the Rinnegan. And as shown in the previous few chapters, they are too much of a match for Naruto in his nine-tailed cloak and Bee in his Hachibi form. It is super impressive for the lower tailed Bijus to be kicking the crap out of the two strongest bijus.
Tobi did well with them.