SN4 ""

No	Pattern	Freq
1	[verb] to do so [conj]	114
2	[adj] to do so [conj]	77
3	[adj] to do so [conj]	71
4	[noun] to do so [conj]	43
5	[noun sg] to do so [conj]	37
6	[vb pp] to do so [conj]	35
7	[vb infin] to do so [conj]	33
8	continue to do so [conj]	22
9	[vb base] to do so [conj]	17
10	[pron] to do so [conj]	17
11	[pers pn] to do so [conj]	16
12	continue to do so [conj]	14
13	fail to do so [conj]	13
14	[vb past] to do so [conj]	13
15	wish to do so [conj]	10
16	unable to do so [conj]	9
17	able to do so [conj]	9
18	[adv] to do so [conj]	9
19	unable to do so [conj]	9
20	able to do so [conj]	9
21	[v-ing] to do so [conj]	7
22	[vb -s] to do so [conj]	6
23	he to do so [conj]	6
24	him to do so [conj]	6
25	refuse to do so [conj]	6
26	[noun pl] to do so [conj]	6
27	safe to do so [conj]	5
28	[conj] to do so [conj]	5
29	safe to do so [conj]	5
30	wish to do so [conj]	5