SN4 ""

No	Pattern	Freq
1	[pron] have to be [prep]	201
2	[pers pn] have to be [prep]	169
3	[noun] have to be [prep]	156
4	[modal v] have to be [prep]	100
5	[vb mod] have to be [prep]	100
6	[noun sg] have to be [prep]	99
7	[adv] have to be [prep]	72
8	would have to be [prep]	65
9	would have to be [prep]	56
10	it have to be [prep]	54
11	it have to be [prep]	54
12	[noun pl] have to be [prep]	41
13	[not/n't] have to be [prep]	40
14	not have to be [prep]	40
15	you have to be [prep]	32
16	i have to be [prep]	32
17	you have to be [prep]	32
18	i have to be [prep]	32
19	[adv] have to be [prep]	31
20	will have to be [prep]	29
21	n't have to be [prep]	28
22	[indef pn] have to be [prep]	20
23	will have to be [prep]	18
24	he have to be [prep]	16
25	he have to be [prep]	16
26	they have to be [prep]	16
27	they have to be [prep]	15
28	[verb] have to be [prep]	14
29	[adj] have to be [prep]	14
30	[det] have to be [prep]	12