SN4 ""

No	Pattern	Freq
1	used [to-vb] to	387
2	used [verb] to	387
3	used to go to	157
4	used go to	157
5	used to say to	45
6	used say to	45
7	used to come to	32
8	used come to	32
9	used refer to	24
10	used to refer to	24
11	used belong to	17
12	used to belong to	17
13	used to talk to	16
14	used talk to	16
15	used to have to	14
16	used have to	14
17	used to listen to	13
18	used listen to	13
19	used [adv] to	10
20	used read to	8
21	used to read to	8
22	used [adv] to	6
23	[pron] used to	2564
24	[pers pn] used to	1947
25	[noun] used to	612
26	it used to	542
27	it used to	542
28	i used to	386
29	i used to	386
30	they used to	381