SN4 ""

No	Pattern	Freq
1	[conj] they used have	32
2	[coord] they used have	23
3	and they used have	20
4	and they used have	20
5	[adv] they used have	20
6	[noun] they used have	18
7	[adv] they used have	14
8	[verb] they used have	11
9	[noun sg] they used have	9
10	[noun pl] they used have	8
11	[no cls] they used have	8
12	[unc] they used have	8
13	[vb past] they used have	6
14	[subord] they used have	6
15	they used have [art]	56
16	they used have [art]	56
17	they used have a	47
18	they used have a	44
19	they used have [adj]	31
20	they used have [noun]	29
21	they used have [noun pl]	21
22	they used have [det]	20
23	they used have [verb]	16
24	they used have [to-vb]	13
25	they used have [adj]	10
26	they used have the	9
27	they used have [pron]	9
28	they used have the	9
29	they used have [unc]	8
30	they used have [no cls]	8