SN4 ""

No	Pattern	Freq
1	[vb pp] are [adv]	493
2	[vb base] are [adv]	296
3	[v-ing] are [adv]	110
4	[vb -s] are [adv]	102
5	[to-vb] are [adv]	82
6	[verb] are very	71
7	involve are [adv]	70
8	involved are [adv]	70
9	[verb] are more	50
10	[verb] are now	48
11	[verb] are also	47
12	[verb] are often	45
13	[vb infin] are [adv]	43
14	[verb] are still	42
15	[verb] are so	37
16	use are [adv]	36
17	think are [adv]	32
18	think are [adv]	29
19	make are [adv]	27
20	used are [adv]	27
21	[verb] are just	25
22	[verb] are usually	25
23	[verb] are only	24
24	[verb] are too	24
25	[vb past] are [adv]	21
26	have are [adv]	19
27	[verb] are quite	19
28	[verb] are much	17
29	produce are [adv]	17
30	do are [adv]	17