SN4 ""

No	Pattern	Freq
1	[noun] but it had	45
2	[noun sg] but it had	29
3	[adj] but it had	16
4	[adv] but it had	11
5	[noun pl] but it had	10
6	[adj] but it had	10
7	[adv] but it had	8
8	[verb] but it had	7
9	[pron] but it had	6
10	[noun prp] but it had	5
11	but [conj] it had	41
12	but [subord] it had	29
13	but if it had	18
14	but if it had	18
15	but [adv] it had	17
16	but [adv] it had	17
17	but that it had	12
18	but [that] it had	12
19	but that it had	12
20	but it [adv] had	25
21	but it [adv] had	25
22	but it also had	14
23	but it also had	14
24	but it still had	5
25	but it still had	5
26	but it had [verb]	132
27	but it had [vb pp]	124
28	but it had [adv]	121
29	but it had been	110
30	but it had be	110