In the English Grammar Profile, B1 point 91 in Modality is defined as:
‘ought to’ with ‘you’ to give advice.
This depends on usage but at the same time we could add our own vocabulary range criteria to ensure it marks higher complexity. As you can see most of the 20 most frequent lexical verbs are A1.
iWeb search for You ought to * * * *
1 YOU OUGHT TO BE ASHAMED OF YOURSELF 117 (NOT traditional ADVICE really)
2 YOU OUGHT TO BE ABLE TO GET 66 (seems like more of a prediction)
3 YOU OUGHT TO HAVE THE CAPACITY TO 57
4 YOU OUGHT TO BE ABLE TO FIND 44 (prediction)
You ought to * * *
1 BE ABLE TO 601
2 BE ASHAMED OF 139
3 HAVE THE CAPACITY 57
you ought to _vvi*
1 KNOW 919
2 GET 389
3 SEE 313
4 TAKE 301
5 GO 267
Don’t you think you ought to go back to the hotel and change?
6 YOU OUGHT TO TRY 267
7 CONSIDER 253
8 LOOK 196
9 GIVE 176
10 THINK 165
11 MAKE 161
12 CHECK 155
13 USE 151
14 READ 142
15 KEEP 132
16 SAY 121
17 VISIT 94
18 WRITE 90
19 FEEL 86
20 FIND 85