SN4 ""

No	Pattern	Freq
1	[be] base on the [adj]	390
2	be base on the [adj]	390
3	[noun] base on the [adj]	278
4	[noun sg] base on the [adj]	165
5	[is] base on the [adj]	163
6	is base on the [adj]	158
7	[noun pl] base on the [adj]	96
8	[am/are] base on the [adj]	77
9	are base on the [adj]	77
10	[was/were] base on the [adj]	68
11	[adv] base on the [adj]	66
12	be base on the [adj]	64
13	[be] base on the [adj]	64
14	[adv] base on the [adj]	61
15	was base on the [adj]	56
16	[verb] base on the [adj]	19
17	system base on the [adj]	14
18	were base on the [adj]	12
19	[been] base on the [adj]	11
20	been base on the [adj]	11
21	[adj] base on the [adj]	10
22	[vb pp] base on the [adj]	9
23	[noun prp] base on the [adj]	9
24	system base on the [adj]	9
25	[conj] base on the [adj]	8
26	[pron] base on the [adj]	8
27	[n mass] base on the [adj]	7
28	[being] base on the [adj]	7
29	being base on the [adj]	7
30	[vb -s] base on the [adj]	6