SN4 ""

No	Pattern	Freq
1	[verb] to do [det]	1945
2	[noun] to do [det]	1018
3	[noun sg] to do [det]	800
4	[adj] to do [det]	702
5	[adj] to do [det]	660
6	[vb infin] to do [det]	521
7	[pron] to do [det]	372
8	[vb pp] to do [det]	368
9	have to do [det]	367
10	[vb base] to do [det]	362
11	[pers pn] to do [det]	315
12	[v-ing] to do [det]	307
13	[adv] to do [det]	306
14	want to do [det]	306
15	able to do [det]	257
16	able to do [det]	257
17	[vb past] to do [det]	250
18	go to do [det]	180
19	going to do [det]	176
20	[noun pl] to do [det]	156
21	have to do [det]	145
22	need to do [det]	125
23	want to do [det]	124
24	[Wh adv] to do [det]	107
25	how to do [det]	106
26	how to do [det]	106
27	[adv] to do [det]	105
28	way to do [det]	104
29	[modal v] to do [det]	100
30	[vb mod] to do [det]	100