SN4 ""

No	Pattern	Freq
1	[verb] [det] is [to-vb]	157
2	[prep] [det] is [to-vb]	133
3	[prep] [det] is [to-vb]	133
4	[conj] [det] is [to-vb]	115
5	[to-vb] [det] is [to-vb]	92
6	[coord] [det] is [to-vb]	81
7	do [det] is [to-vb]	76
8	of [det] is [to-vb]	65
9	of [det] is [to-vb]	65
10	[v-ing] [det] is [to-vb]	55
11	and [det] is [to-vb]	52
12	and [det] is [to-vb]	52
13	to do [det] is [to-vb]	40
14	doing [det] is [to-vb]	31
15	but [det] is [to-vb]	28
16	but [det] is [to-vb]	28
17	[subord] [det] is [to-vb]	26
18	to [det] is [to-vb]	18
19	to [det] is [to-vb]	18
20	for [det] is [to-vb]	16
21	for [det] is [to-vb]	16
22	[noun] [det] is [to-vb]	16
23	[adv] [det] is [to-vb]	14
24	if [det] is [to-vb]	13
25	if [det] is [to-vb]	13
26	[adj] [det] is [to-vb]	13
27	[adv] [det] is [to-vb]	9
28	achieve [det] is [to-vb]	9
29	[noun sg] [det] is [to-vb]	9
30	[det] [det] is [to-vb]	9