SN4 ""

No	Pattern	Freq
1	[noun] [prep] [pron] had to be	19
2	[adj] [prep] [pron] had to be	14
3	[noun sg] [prep] [pron] had to be	13
4	[det] [prep] [pron] had to be	12
5	all [prep] [pron] had to be	5
6	all [prep] [pron] had to be	5
7	[noun pl] [prep] [pron] had to be	5
8	[prep] [noun] [pron] had to be	46
9	[prep] [noun sg] [pron] had to be	29
10	[prep] [noun pl] [pron] had to be	14
11	[prep] [pron] [pron] had to be	12
12	[prep] [Wh det] [pron] had to be	7
13	[prep] which [pron] had to be	6
14	[prep] which [pron] had to be	6
15	[prep] course [pron] had to be	5
16	[prep] course [pron] had to be	5
17	[prep] [adj] [pron] had to be	5
18	[prep] [pron] [noun] had to be	21
19	[prep] [pron] [noun sg] had to be	13
20	[prep] [pron] [pron] had to be	12
21	[prep] [pron] [pers pn] had to be	10
22	[prep] [pron] [noun pl] had to be	7
23	[prep] [pron] it had to be	6
24	[prep] [pron] it had to be	6
25	[prep] [pron] had to be [vb pp]	23
26	[prep] [pron] had to be [verb]	23
27	[prep] [pron] had to be [adj]	5
28	[prep] [pron] had to be [art]	5
29	[prep] [pron] had to be [adj]	5
30	[prep] [pron] had to be [art]	5