SN4 ""

No	Pattern	Freq
1	[verb] to do then	38
2	have to do then	11
3	[vb pp] to do then	10
4	[pron] to do then	10
5	[vb infin] to do then	9
6	[vb base] to do then	9
7	get to do then	8
8	got to do then	8
9	[v-ing] to do then	7
10	going to do then	6
11	go to do then	6
12	want to do then	5
13	have to do then	5
14	to do [conj] then	17
15	to do [coord] then	17
16	to do and then	16
17	to do and then	16
18	to do [pron] then	15
19	to do [adv] then	12
20	to do [pers pn] then	11
21	to do it then	11
22	to do [adv] then	11
23	to do it then	11
24	to do [adj] then	9
25	to do [det] then	9
26	to do that then	6
27	to do that then	6
28	to do [prep] then	5
29	to do now then	5
30	to do now then	5