be supposed to

v.

应该，被期望；

Revisiting Be Supposed To from a Diachronic Constructionist Perspective
Source and strength of modality: An empirical study of root should , ought to and be supposed to in Present-day British English
The Graduate Student Educates "Three Important Passes"to be Supposed to the Higher Education Popularity Strategy Analysis——Recrui...
The Spread of Grammaticalized FormsThe Case of be+supposed to
Pragmatic motivations for the development of evidential and modal meaning in the construction “be supposed to X”
A corpus-based analysis of root necessity meanings expressed by should, ought to and be supposed to in late 20th century British Eng...
A corpus-based analysis of root meaning expressed by 'should', 'ought to' and 'be supposed to' in late 20th century British English.
The Rise of Modal Meanings in Early Modern English: the case of the Semi-Auxiliary Verb BE supposed to
On the diachronic evolution of the English semi-auxiliary verb be supposed to
Vyjadřování záhodnosti modálními slovesy "should", "shall"a "be supposed to"a jejich překladové protějšky v češtině