SN4 ""

No	Pattern	Freq
1	they used [to-vb]	1180
2	they used have	163
3	they used to have	163
4	they used call	82
5	they used to call	82
6	they used to do	75
7	they used do	75
8	they used come	70
9	they used to come	70
10	they used go	61
11	they used to go	61
12	they used say	49
13	they used to say	49
14	they used get	40
15	they used to get	40
16	they used to put	38
17	they used put	38
18	they used make	37
19	they used to make	37
20	they used take	18
21	they used to take	18
22	they used send	17
23	they used to send	17
24	they used to play	13
25	they used to give	13
26	they used play	13
27	they used work	13
28	they used to work	13
29	they used give	13
30	they used sell	13