SN4 ""

No	Pattern	Freq
1	[be] [adv] base on the	133
2	be [adv] base on the	133
3	[is] [adv] base on the	64
4	is [adv] base on the	62
5	[was/were] [adv] base on the	36
6	was [adv] base on the	25
7	[am/are] [adv] base on the	24
8	are [adv] base on the	23
9	[noun] [adv] base on the	16
10	[adv] [adv] base on the	14
11	[adv] [adv] base on the	13
12	were [adv] base on the	11
13	[verb] [adv] base on the	10
14	[conj] [adv] base on the	9
15	[noun sg] [adv] base on the	8
16	[be] [adv] base on the	7
17	[noun pl] [adv] base on the	7
18	be [adv] base on the	7
19	[coord] [adv] base on the	6
20	[vb pp] [adv] base on the	5
21	and [adv] base on the	5
22	and [adv] base on the	5
23	[adv] [be] base on the	38
24	[adv] be base on the	38
25	[adv] be base on the	20
26	[adv] [be] base on the	20
27	[adv] [adv] base on the	14
28	[adv] [adv] base on the	14
29	[adv] [is] base on the	8
30	[adv] is base on the	8