SN4 ""

No	Pattern	Freq
1	who had [verb]	8656
2	[Wh pn] had [vb pp]	8599
3	[Wh pn] had come	286
4	[Wh pn] had come	285
5	[Wh pn] had take	219
6	[Wh pn] had taken	212
7	[Wh pn] had [to-vb]	208
8	[Wh pn] had make	179
9	[Wh pn] had have	174
10	[Wh pn] had made	168
11	[Wh pn] had had	165
12	[Wh pn] had died	162
13	[Wh pn] had die	162
14	[Wh pn] had work	148
15	[Wh pn] had worked	138
16	[Wh pn] had go	127
17	[Wh pn] had leave	127
18	[Wh pn] had left	120
19	[Wh pn] had gone	115
20	whom had [verb]	115
21	[Wh pn] had give	111
22	[Wh pn] had given	110
23	[Wh pn] had spend	105
24	[Wh pn] had spent	104
25	[Wh pn] had lose	101
26	[Wh pn] had lost	100
27	[Wh pn] had seen	99
28	[Wh pn] had see	99
29	[Wh pn] had do	98
30	[Wh pn] had become	98