SN4 ""

No	Pattern	Freq
1	[pers pn] have to ensure	26
2	[pron] have to ensure	26
3	[noun] have to ensure	18
4	[vb mod] have to ensure	17
5	[modal v] have to ensure	17
6	we have to ensure	11
7	will have to ensure	11
8	we have to ensure	11
9	will have to ensure	10
10	[noun sg] have to ensure	10
11	you have to ensure	9
12	you have to ensure	9
13	[noun pl] have to ensure	7
14	[adv] have to ensure	5
15	have [verb] to ensure	35
16	have [vb pp] to ensure	29
17	have [be] to ensure	10
18	have [been] to ensure	10
19	have been to ensure	10
20	have be to ensure	10
21	have [to-vb] to ensure	6
22	have help to ensure	5
23	have helped to ensure	5
24	have to ensure [conj]	49
25	have to ensure that	49
26	have to ensure [that]	49
27	have to ensure that	49
28	have to ensure [art]	11
29	have to ensure [art]	11
30	have to ensure the	9