SN4 ""

No	Pattern	Freq
1	[verb] [adv] have to be [prep]	41
2	do [adv] have to be [prep]	39
3	[vb base] [adv] have to be [prep]	19
4	do [adv] have to be [prep]	17
5	[vb -s] [adv] have to be [prep]	14
6	does [adv] have to be [prep]	14
7	[pron] [adv] have to be [prep]	11
8	[pers pn] [adv] have to be [prep]	9
9	did [adv] have to be [prep]	8
10	[vb past] [adv] have to be [prep]	8
11	[vb mod] [adv] have to be [prep]	7
12	[modal v] [adv] have to be [prep]	7
13	[noun] [adv] have to be [prep]	6
14	[adv] [pron] have to be [prep]	12
15	[adv] [pers pn] have to be [prep]	11
16	[adv] have to be [verb] [prep]	383
17	[adv] have to be [vb pp] [prep]	377
18	[adv] have to be [adj] [prep]	62
19	[adv] have to be [adj] [prep]	59
20	[adv] have to be do [prep]	20
21	[adv] have to be done [prep]	20
22	[adv] have to be [noun] [prep]	17
23	[adv] have to be [adv] [prep]	16
24	[adv] have to be take [prep]	13
25	[adv] have to be [adv] [prep]	13
26	[adv] have to be taken [prep]	13
27	[adv] have to be pay [prep]	11
28	[adv] have to be paid [prep]	11
29	[adv] have to be [noun sg] [prep]	11
30	[adv] have to be made [prep]	10