SN4 ""

No	Pattern	Freq
1	[adv] [verb] as a [noun sg]	1816
2	[adv] [vb pp] as a [noun]	1328
3	also [verb] as a [noun]	198
4	[adv] use as a [noun]	187
5	[adv] used as a [noun]	180
6	[adv] [vb past] as a [noun]	137
7	[adv] [vb -s] as a [noun]	128
8	[adv] [verb] as a result	127
9	[adv] [verb] as a result	127
10	[adv] [vb infin] as a [noun]	127
11	[adv] act as a [noun]	122
12	often [verb] as a [noun]	106
13	[adv] see as a [noun]	99
14	[adv] regard as a [noun]	98
15	now [verb] as a [noun]	97
16	[adv] seen as a [noun]	95
17	[adv] regarded as a [noun]	94
18	widely [verb] as a [noun]	81
19	[adv] serve as a [noun]	80
20	[adv] know as a [noun]	75
21	[adv] known as a [noun]	73
22	[adv] [vb base] as a [noun]	68
23	[adv] [v-ing] as a [noun]	68
24	[adv] work as a [noun]	63
25	still [verb] as a [noun]	61
26	then [verb] as a [noun]	57
27	originally [verb] as a [noun]	57
28	only [verb] as a [noun]	56
29	[adv] [verb] as a [n mass]	46
30	[adv] describe as a [noun]	46