SN4 ""

No	Pattern	Freq
1	[be] based [prep] the	1638
2	be based [prep] the	1638
3	[noun] based [prep] the	1214
4	[noun sg] based [prep] the	757
5	[is] based [prep] the	697
6	is based [prep] the	690
7	[noun pl] based [prep] the	416
8	[was/were] based [prep] the	332
9	[adv] based [prep] the	277
10	[adv] based [prep] the	261
11	be based [prep] the	259
12	[be] based [prep] the	259
13	[am/are] based [prep] the	258
14	are based [prep] the	255
15	was based [prep] the	253
16	were based [prep] the	79
17	[been] based [prep] the	66
18	been based [prep] the	66
19	[verb] based [prep] the	57
20	[conj] based [prep] the	56
21	[adj] based [prep] the	50
22	system based [prep] the	46
23	[coord] based [prep] the	46
24	and based [prep] the	35
25	and based [prep] the	35
26	[det] based [prep] the	33
27	[pron] based [prep] the	32
28	system based [prep] the	32
29	[vb pp] based [prep] the	27
30	[being] based [prep] the	26