SN4 ""

No	Pattern	Freq
1	[adv] have had	719
2	[adv] [vb infin] had	500
3	[adv] have had	500
4	[adv] [verb] had	448
5	not [verb] had	263
6	[not/n't] [verb] had	263
7	not [verb] had	154
8	n't [verb] had	109
9	[adv] [vb base] had	62
10	[adv] have had	62
11	never [verb] had	56
12	never [verb] had	56
13	well [verb] had	52
14	well [verb] had	51
15	[adv] having had	43
16	[adv] [v-ing] had	43
17	[adv] [vb past] had	40
18	[adv] had had	40
19	[adv] [vb -s] had	38
20	[adv] has had	38
21	also [verb] had	34
22	[adv] to have had	34
23	[adv] [to-vb] had	34
24	also [verb] had	34
25	too [verb] had	17
26	too [verb] had	17
27	otherwise [verb] had	17
28	otherwise [verb] had	17
29	ever [verb] had	16
30	ever [verb] had	16