SN4 ""

No	Pattern	Freq
1	this could be [vb pp] [prep]	181
2	[det] could be [vb pp] by	78
3	that could be [vb pp] [prep]	64
4	[det] could be [vb pp] as	60
5	[det] could be said [prep]	57
6	these could be [vb pp] [prep]	52
7	[det] could be [vb pp] in	51
8	[det] could be [vb pp] for	46
9	same could be [vb pp] [prep]	46
10	[det] could be done [prep]	44
11	[det] could be [vb pp] of	41
12	[det] could be [vb pp] to	25
13	[det] could be [vb pp] with	24
14	[det] could be achieved [prep]	22
15	[det] could be seen [prep]	21
16	[det] could be [vb pp] from	19
17	[det] could be used [prep]	19
18	more could be [vb pp] [prep]	18
19	[det] could be [vb pp] on	10
20	[det] could be interpreted [prep]	8
21	much could be [vb pp] [prep]	7
22	[det] could be [vb pp] into	7
23	[det] could be [vb pp] about	7
24	[det] could be [vb pp] without	7
25	[det] could be expected [prep]	6
26	[det] could be described [prep]	6
27	[det] could be accounted [prep]	6
28	[det] could be regarded [prep]	6
29	latter could be [vb pp] [prep]	5
30	[det] could be [vb pp] under	5