SN4 ""

No	Pattern	Freq
1	had [verb] [art] lot	167
2	had [verb] a lot	159
3	had [vb pp] [art] lot	137
4	had [to-vb] [art] lot	29
5	had do [art] lot	22
6	had done [art] lot	14
7	had take [art] lot	12
8	had lost [art] lot	12
9	had lose [art] lot	12
10	had spend [art] lot	10
11	had taken [art] lot	10
12	had have [art] lot	9
13	had learn [art] lot	9
14	had to do [art] lot	8
15	had [verb] the lot	8
16	had spent [art] lot	8
17	had had [art] lot	7
18	had changed [art] lot	6
19	had change [art] lot	6
20	had learned [art] lot	5
21	had see [art] lot	5
22	had drunk [art] lot	5
23	had drink [art] lot	5
24	had seen [art] lot	5