SN4 ""

No	Pattern	Freq
1	can be [adv] [adj]	2345
2	can be [adv] [adj]	2206
3	can be very [adj]	668
4	can be very [adj]	668
5	can be as [adj]	215
6	can be as [adj]	215
7	can be quite [adj]	214
8	can be quite [adj]	214
9	can be more [adj]	138
10	can be more [adj]	138
11	can be extremely [adj]	113
12	can be extremely [adj]	113
13	can be [adv] difficult	107
14	can be [adv] difficult	107
15	can be so [adj]	104
16	can be so [adj]	104
17	can be [adv] useful	82
18	can be [adv] useful	82
19	can be [adv] effective	67
20	can be [adv] effective	67
21	can be [adv] [det]	65
22	can be particularly [adj]	55
23	can be [adv] important	55
24	can be [adv] important	55
25	can be particularly [adj]	55
26	can be [adv] sure	47
27	can be [adv] helpful	47
28	can be [adv] helpful	47
29	can be [adv] sure	47
30	can be [adv] [adj -er]	43