SN4 ""

No	Pattern	Freq
1	[verb] as a [noun] [conj]	1118
2	[verb] as a [noun sg] [conj]	1102
3	[verb] as a [noun] [conj]	943
4	[verb] as a [noun] [coord]	782
5	[vb pp] as a [noun] [conj]	620
6	[verb] as a [noun] and	534
7	[verb] as a [noun] and	534
8	[verb] as a [noun] [subord]	191
9	[verb] as a [noun] or	185
10	[verb] as a [noun] or	185
11	[verb] as an [noun] [conj]	175
12	[verb] as a [noun] that	145
13	[verb] as a [noun] [that]	145
14	[verb] as a [noun] that	145
15	[vb past] as a [noun] [conj]	128
16	act as a [noun] [conj]	118
17	[v-ing] as a [noun] [conj]	90
18	[vb infin] as a [noun] [conj]	79
19	[to-vb] as a [noun] [conj]	79
20	use as a [noun] [conj]	72
21	used as a [noun] [conj]	66
22	[vb -s] as a [noun] [conj]	63
23	[vb base] as a [noun] [conj]	59
24	[verb] as a [noun] but	58
25	[verb] as a [noun] but	58
26	work as a [noun] [conj]	52
27	[verb] as a [noun] when	47
28	[verb] as a [noun] when	47
29	serve as a [noun] [conj]	44
30	train as a [noun] [conj]	44