SN4 ""

No	Pattern	Freq
1	had had [adj] [noun sg]	181
2	had had [det] [noun]	136
3	had had [adj] [noun]	135
4	had had [adj] [noun pl]	128
5	had had [num] [noun]	40
6	had had any [noun]	29
7	had had any [noun]	29
8	had had [adj] experience	25
9	had had some [noun]	24
10	had had some [noun]	24
11	had had [adj] experience	19
12	had had little [noun]	18
13	had had little [noun]	18
14	had had this [noun]	16
15	had had this [noun]	16
16	had had enough [noun]	10
17	had had enough [noun]	10
18	had had [adj] time	9
19	had had many [noun]	9
20	had had many [noun]	9
21	had had three [noun]	8
22	had had two [noun]	8
23	had had [adj] surgery	8
24	had had [adj] surgery	8
25	had had three [noun]	8
26	had had [adj] time	8
27	had had more [noun]	8
28	had had two [noun]	8
29	had had more [noun]	8
30	had had [adj] children	7