SN4 ""

No	Pattern	Freq
1	[prep] [art] basis for [noun]	146
2	[prep] [art] basis for [noun]	146
3	as [art] basis for [noun]	138
4	as [art] basis for [noun]	138
5	[verb] [art] basis for [noun]	108
6	provide [art] basis for [noun]	54
7	[vb infin] [art] basis for [noun]	34
8	[be] [art] basis for [noun]	33
9	be [art] basis for [noun]	33
10	form [art] basis for [noun]	31
11	[vb base] [art] basis for [noun]	25
12	provide [art] basis for [noun]	17
13	[to-vb] [art] basis for [noun]	16
14	form [art] basis for [noun]	15
15	provide [art] basis for [noun]	13
16	[vb -s] [art] basis for [noun]	12
17	[was/were] [art] basis for [noun]	11
18	[is] [art] basis for [noun]	11
19	is [art] basis for [noun]	10
20	[adv] [art] basis for [noun]	9
21	[vb past] [art] basis for [noun]	9
22	provides [art] basis for [noun]	9
23	[v-ing] [art] basis for [noun]	9
24	[conj] [art] basis for [noun]	9
25	to provide [art] basis for [noun]	8
26	[noun] [art] basis for [noun]	8
27	[be] [art] basis for [noun]	7
28	form [art] basis for [noun]	7
29	be [art] basis for [noun]	7
30	was [art] basis for [noun]	7