At C2 in the English Vocabulary Profile, is the structure:
BE or HAVE + yet + TO-infinitive
to express something expected that was not done.
For example:
This has yet to grow in evidence until it can come to practice.
A search in the NOW corpus for:
_V yet _TO _VVI
1 IS YET TO COME 11897re
2 HAS YET TO MAKE 9086
3 IS YET TO MAKE 7298
4 HAVE YET TO SEE 6714
5 HAVE YET TO RECEIVE 4766
6 HAS YET TO RECEIVE 4625
7 HAS YET TO ANNOUNCE 4364
8 ARE YET TO RECEIVE 4229
9 ARE YET TO GET 3947
10 IS YET TO TAKE 3595
11 ARE YET TO COME 3289
12 ARE YET TO SEE 3245
13 IS YET TO GET 3169
14 HAS YET TO PLAY 3134
15 IS YET TO RECEIVE 3104
16 HAS YET TO DECIDE 2985
17 HAS YET TO RESPOND 2904
18 HAVE YET TO MAKE 2838
19 HAS YET TO CONFIRM 2805
20 HAS YET TO WIN 2774
21 HAS YET TO TAKE 2732
22 HAS YET TO RELEASE 2684
23 IS YET TO ANNOUNCE 2660
24 HAVE YET TO FIND 2558
25 HAS YET TO COMMENT 2513
26 ARE YET TO MAKE 2456
27 HAS YET TO SEE 2442
28 HAS YET TO FIND 2377
29 HAS YET TO COME 2346
30 ARE YET TO EXERCISE 2309
31 ‘VE YET TO SEE 2254
32 IS YET TO DECIDE 2163
33 IS YET TO CONFIRM 2118
34 WAS YET TO COME 2054
35 HAVE YET TO GET 2030
36 HAS YET TO REACH 2024
37 HAD YET TO RECEIVE 2008
38 IS YET TO RESPOND 1981
39 HAVE YET TO HEAR 1844
40 HAS YET TO GET 1825
41 IS YET TO START 1801
42 HAS YET TO REVEAL 1749
Sauron has yet to reveal his deadliest servant, the one who will lead Mordor‘s armies in war.
43 HAVE YET TO COME 1718
44 IS YET TO SEE 1647
45 ARE YET TO TAKE 1619
46 HAS YET TO ISSUE 1587
47 ARE YET TO WIN 1576
48 IS YET TO WIN 1559
49 IS YET TO PLAY 1544
50 HAVE YET TO WIN 1531
51 IS YET TO RELEASE 1518
52 HAVE YET TO REACH 1508
53 HAVE YET TO CONFIRM 1503
54 ARE YET TO FIND 1482
55 HAS YET TO START 1423
56 ARE YET TO CONFIRM 1410
57 IS YET TO FIND 1404
58 WAS YET TO RECEIVE 1380
59 HAVE YET TO DETERMINE 1357
60 HAVE YET TO ANNOUNCE 1345
61 IS YET TO REACH 1333
62 IS YET TO REVEAL 1325
63 IS YET TO GIVE 1301
64 HAVE YET TO TAKE 1252
65 IS YET TO COMMENT 1242
66 HAS YET TO SHOW 1241
67 HAVE YET TO MEET 1225
68 IS YET TO BEGIN 1225
69 HAS YET TO GIVE 1222
70 IS YET TO RECOVER 1221
71 HAS YET TO PROVIDE 1217
72 HAS YET TO SIGN 1159
73 HAS YET TO BEGIN 1142
74 HAVE YET TO DECIDE 1138
75 HAS YET TO SAY 1124
76 HAS YET TO SCORE 1078
77 HAVE YET TO PLAY 1064
78 IS YET TO SCORE 1025
79 HAS YET TO RETURN 1015
80 HAD YET TO MAKE 992
81 BE YET TO COME 974
82 ARE YET TO REACH 973
83 ARE YET TO DECIDE 971
84 WERE YET TO RECEIVE 966
85 HAS YET TO MEET 951
86 HAS YET TO RECOVER 938
87 HAS YET TO HEAR 935
88 HAVE YET TO RELEASE 926
89 HAVE YET TO COMMENT 907
90 HAS YET TO APPEAR 902
91 ARE YET TO RECOVER 892
92 IS YET TO SIGN 890
93 HAS YET TO PROVE 883
94 HAVE YET TO IDENTIFY 881
95 HAS YET TO SET 862
96 WAS YET TO GET 837
97 AM YET TO SEE 825
98 HAVE YET TO RESPOND 818
99 HAS YET TO PRODUCE 806
100 HAS YET TO APPROVE 804