SN4 ""

No	Pattern	Freq
1	[noun] and can [be]	530
2	[noun sg] and can [be]	335
3	[adj] and can [be]	195
4	[adj] and can [be]	167
5	[noun pl] and can [be]	157
6	[verb] and can [be]	98
7	[vb pp] and can [be]	51
8	[adv] and can [be]	36
9	[adv] and can [be]	33
10	[n mass] and can [be]	19
11	[noun prp] and can [be]	16
12	[vb infin] and can [be]	14
13	[to-vb] and can [be]	14
14	[num] and can [be]	13
15	exist and can [be]	12
16	[det] and can [be]	10
17	[vb base] and can [be]	10
18	be and can [be]	9
19	[be] and can [be]	9
20	system and can [be]	8
21	[pron] and can [be]	8
22	system and can [be]	8
23	available and can [be]	7
24	exist and can [be]	7
25	available and can [be]	7
26	[modal v] and can [be]	6
27	[vb mod] and can [be]	6
28	sizes and can [be]	5
29	form and can [be]	5
30	[vb -s] and can [be]	5