SN4 ""

No	Pattern	Freq
1	[conj] this had be [vb pp]	53
2	[subord] this had be [vb pp]	31
3	[prep] this had be [vb pp]	12
4	[coord] this had be [vb pp]	12
5	[prep] this had be [vb pp]	12
6	once this had be [vb pp]	11
7	once this had be [vb pp]	11
8	[that] this had be [vb pp]	10
9	that this had be [vb pp]	10
10	that this had be [vb pp]	10
11	[adj] this had be [vb pp]	9
12	[noun] this had be [vb pp]	7
13	but this had be [vb pp]	7
14	[det] this had be [vb pp]	7
15	but this had be [vb pp]	7
16	all this had be [vb pp]	7
17	all this had be [vb pp]	7
18	[noun sg] this had be [vb pp]	5
19	and this had be [vb pp]	5
20	if this had be [vb pp]	5
21	if this had be [vb pp]	5
22	and this had be [vb pp]	5
23	this [noun] had be [vb pp]	172
24	this [noun sg] had be [vb pp]	169
25	this [pron] had be [vb pp]	5
26	this had [adv] be [vb pp]	41
27	this had [adv] be [vb pp]	31
28	this had to be [vb pp]	28
29	this had to be [vb pp]	28
30	this had [prep] be [vb pp]	28