‘AS’ + pronoun + ‘USED’ + to-infinitive
Student example in a speaking test: I don’t think that they pay enough attention towards the national customs as they used to do those days. TLC female Sri Lanka B2 Point 236 in the category of MODALITY is defined: ‘as’ + pronoun + ‘used to’ to add background to a narrative, often to highlight something unusual A search in iWeb for: as_C _P used_V _TO _VV 1 AS …