It is easy to find noun phrases functioning as a subject-predicate in a clause. For example,
“I was a kid.”
‘a kid’ is a noun phrase after the copular verb ‘was.’
An iWeb search for:
_P _VB _A _NN .
1 I WAS A KID . 7523
2 I WAS A CHILD . 2942
3 I WAS A TEENAGER . 1685
4 HE WAS A CHILD . 1375
5 YOU BE THE JUDGE. 1202
6 SHE WAS A CHILD . 1127
7 IT WAS A JOKE . 1081
8 IT ‘S A START . 1069
9 IT WAS A MISTAKE . 1019
10 IT’S YOUR CHOICE. 995
It‘s your choice, but I warn you not to underestimate my powers.
11 IT ‘S THE TRUTH. 970
12 IT WAS AN ACCIDENT. 969
13 ONE IS NO EXCEPTION. 942
14 HE WAS A KID . 907
15 IT ‘S YOUR TURN. 839
16 HE WAS A TEENAGER . 821
17 IT ‘S A PROBLEM . 815
18 IT WAS A BLAST . 805
19 IT WAS MY FAULT . 798
20 IT WAS A DISASTER . 793
21 IT ‘S A SHAME . 778
22 IT WAS A NIGHTMARE . 763
23 I AM THE LORD . 739
24 IT ‘S A FACT . 734
25 IT WAS A MESS . 658
26 IT ‘S A JOKE . 655
27 IT IS THE TRUTH . 624
28 YOU WERE A KID . 615
29 IT WAS A SUCCESS . 590
30 IT WAS A HIT . 581
31 YOU ‘RE AN IDIOT . 568
32 IT IS A PROBLEM . 563
33 IT ‘S A NO-BRAINER . 562
34 IT ‘S A SCAM . 553
35 IT ‘S A MESS . 551
36 HE WAS A BOY . 550
37 IT IS A SCAM . 524
38 IT WAS A SCAM . 506
39 SHE WAS A TEENAGER . 504
40 IT WAS A NO-BRAINER . 495
41 HE WAS A BABY . 493
42 IT ‘S THE LAW . 469
43 IT ‘S A LOT . 465
44 IT ‘S MY FAULT . 460
45 IT IS A FACT . 448
46 IT ‘S YOUR CALL . 440
47 ONE IS MY FAVORITE . 439
48 I WAS A BOY . 418
49 SHE WAS A BABY . 414
50 IT WAS NO USE . 413
51 IT ‘S A PROCESS . 409
52 YOU ARE AN IDIOT . 402
53 IT ‘S A POSSIBILITY . 401
54 IT ‘S A LIE . 398
55 IT IS A POSSIBILITY . 398
56 YOU ARE A MEMBER . 397
57 IT ‘S NO PROBLEM . 387
58 YOU WERE A CHILD . 381
59 YOU ARE A BEGINNER . 380
60 IT ‘S A CHALLENGE . 379
61 IT IS A NECESSITY . 375
62 IT ‘S A NECESSITY . 374
63 I ‘M A FAN . 372
64 I ‘M AN IDIOT . 369
65 IT WAS A DREAM . 366
66 IT IS AN OPTION . 360
67 I ‘M NO EXPERT . 351
68 IT WAS A LIE . 351
69 IT ‘S A GAME . 349
70 IT IS YOUR CHOICE . 349
71 I WAS A TEEN . 348
72 IT ‘S YOUR FAULT . 345
73 IT WAS MY TURN. 345
74 IT ‘S A MUST . 338
75 IT ‘S A NIGHTMARE . 335
76 I WAS A STUDENT . 331
77 I WAS A BABY . 328
78 SHE WAS A WOMAN . 325
79 IT ‘S A LIFESTYLE . 322
80 IT IS A START . 320
81 YOU ARE AN INSPIRATION. 315
82 IT’S NO WONDER. 312
It‘s no wonder that my mould fell apart.
83 IT ‘S AN OPTION. 294
84 IT IS A LIE . 291
85 IT IS AN EMERGENCY. 288
86 IT IS A MUST . 286
87 SHE IS A WOMAN . 286
88 IT ‘S A BUSINESS . 285
89 IT WAS A PROBLEM . 285
90 I AM A WOMAN . 281
91 IT IS A PROCESS . 279
92 IT WAS A MIRACLE . 277
93 IT WAS A REVELATION . 277
It was a revelation, exposing me to a world I‘d only guessed at.
94 SHE WAS A KID . 272
95 IT WAS NO PROBLEM . 268
96 IT WAS A BREEZE . 259
97 IT WAS A GIFT . 256
98 I WAS A MESS . 252
99 IT ‘S AN ISSUE . 252
100 YOU ARE A GENIUS . 249
And you are a genius at sales and promotion.
_VB _A _NN .
1 IS NO EXCEPTION . 23116
2 BE A PROBLEM . 22272
3 IS A MUST . 21443
4 BE THE CASE . 19807
5 BE AN ISSUE . 12678
6 IS THE CASE . 10979
7 IS A PROBLEM . 10817
8 BE A CHALLENGE . 9694
9 WAS A KID . 9063
10 IS THE KEY . 8510
11 IS THE PROBLEM . 7393
12 IS THE ANSWER . 6000
13 WAS A CHILD . 5888
14 IS A PLUS . 5398
15 ARE NO EXCEPTION . 5215
16 IS AN UNDERSTATEMENT . 5173
17 WAS NO EXCEPTION . 5172
18 IS MY FAVORITE . 4833
19 BE AN OPTION . 4806
20 ARE A MUST . 4804
21 IS AN ISSUE . 4737
22 IS A JOKE . 4430
23 IS A CHALLENGE . 3988
24 WAS A MISTAKE . 3906
25 ‘S A PROBLEM . 3886
26 BE AN UNDERSTATEMENT . 3843
27 BE THE ANSWER . 3838
28 IS A BREEZE . 3766
29 IS AN OPTION . 3620
30 BEEN THE CASE . 3590
31 ‘S THE PROBLEM . 3561
32 IS AN EXAMPLE . 3459
33 BE THE PROBLEM . 3447
34 WAS THE CASE . 3280
35 IS THE TRUTH . 3275
36 WAS A TEENAGER . 3213
37 BE A SUCCESS . 3175
38 IS A NECESSITY . 3124
39 WAS A PROBLEM . 3124
40 WAS A SUCCESS . 3077
41 IS A LIE . 3041
42 IS A MISTAKE . 2974
43 IS NO PROBLEM . 2974
44 IS YOUR FRIEND . 2965
45 IS NO WORKAROUND . 2864
46 IS THE RESULT . 2835
47 IS A MYTH . 2767
48 ‘S THE THING . 2766
49 BE A FACTOR . 2743
50 IS A CONCERN . 2685
51 IS A SCAM . 2683
52 IS A NO-BRAINER . 2674
53 IS A SHAME . 2634
54 IS THE NORM . 2625
55 IS THE DEFAULT . 2615
56 IS A POSSIBILITY . 2578
57 IS THE WINNER . 2574
58 ‘S THE CASE . 2561
59 IS A MYSTERY . 2536
60 IS A BONUS . 2529
61 IS A MESS . 2416
62 IS THE QUESTION . 2405
63 BE A PRIORITY . 2400
64 IS A FACT . 2394
65 WAS THE PROBLEM . 2391
66 IS THE ISSUE . 2378
67 BE A MISTAKE . 2338
68 IS A PRIORITY . 2330
69 IS A WINNER . 2310
70 IS THE LIMIT . 2282
71 ‘S THE POINT . 2216
72 WAS A JOKE . 2194
73 WAS A DISASTER . 2187
74 IS THE PRICE . 2183
75 IS A DIFFERENCE . 2176
76 IS A PAIN . 2166
77 BE THE CAUSE . 2130
78 WAS A MESS . 2125
79 IS THE TIME . 2036
80 BE A PAIN . 1979
81 IS A SUCCESS . 1978
82 IS NO JOKE . 1963
83 BE A NIGHTMARE . 1955
84 IS THE GOAL . 1938
85 WAS A BREEZE . 1929
86 IS THE SOLUTION . 1915
87 BEEN A PROBLEM . 1898
88 IS A NIGHTMARE . 1896
89 WAS AN ACCIDENT . 1878
90 BE A HIT . 1870
91 BE NO PROBLEM . 1870
92 BE AN ADVANTAGE . 1850
93 ‘S THE TRUTH . 1840
94 BE A DISASTER . 1837
95 ‘S A FACT . 1820
96 BE A CONCERN . 1796
97 IS A LOT . 1785
98 WAS A NIGHTMARE . 1760
99 BE THE JUDGE . 1743
100 IS A GIFT . 1723
B2 nouns: bonus, cause, concern, disaster, exception, factor, idiot, inspiration, lifestyle, miracle, myth, priority, process
C1: genius, necessity, norm
C2: revelation