SN4 ""

No	Pattern	Freq
1	[noun] can be [adj]	1866
2	[noun sg] can be [adj]	1130
3	[noun pl] can be [adj]	775
4	[noun] can be [det]	73
5	[noun] can be difficult	71
6	[noun prp] can be [adj]	71
7	[noun] can be difficult	71
8	[noun] can be useful	70
9	[noun] can be useful	70
10	[noun] can be [num]	53
11	[noun] can be dangerous	44
12	[noun] can be dangerous	44
13	[n mass] can be [adj]	42
14	[noun] can be helpful	35
15	[noun] can be helpful	35
16	[noun] can be expensive	33
17	[noun] can be expensive	33
18	[noun] can be one	32
19	[noun] can be one	32
20	[noun] can be fun	31
21	[noun] can be fun	31
22	[noun] can be [adj -er]	30
23	[noun] can be misleading	30
24	[noun] can be misleading	30
25	[noun] can be effective	27
26	[noun] can be effective	27
27	result can be [adj]	24
28	[noun] can be important	23
29	[noun] can be important	23
30	[noun] can be sure	22