In this paper, we argue for three claims. First, we show that hyper-raising constructions are attested in both Cantonese and Vietnamese. Second, we show that the availability of hyper-raising is associated with evidentiality. In particular, we suggest that hyper-raising constructions are only possible for attitude verbs that presume indirect evidence for their clausal complements. Lastly, we propose a phase deactivation account for hyper-raising in these languages. Specifically, a CP phase is made transparent by a previously established Agree relation in terms of an evidence feature with the attitude verbs. Given the close connection between (hyper)raising possibility and evidentiality, one implication is that raising possibilities among verbs might not be entirely idiosyncratic.