SN4 ""

No	Pattern	Freq
1	be [vb pp] on the [noun] [prep]	726
2	be [verb] on the [noun sg] [prep]	648
3	be [verb] on the [noun] of	613
4	be [verb] on the basis [prep]	180
5	be [verb] on the basis [prep]	180
6	be [verb] on the [noun pl] [prep]	131
7	be base on the [noun] [prep]	59
8	be based on the [noun] [prep]	59
9	be [v-ing] on the [noun] [prep]	54
10	be made on the [noun] [prep]	41
11	be make on the [noun] [prep]	41
12	be [verb] on the ground [prep]	37
13	be [verb] on the [noun] in	30
14	be place on the [noun] [prep]	26
15	be placed on the [noun] [prep]	26
16	be [verb] on the grounds [prep]	26
17	be [verb] on the [noun] at	20
18	be [verb] on the [noun] to	20
19	be seen on the [noun] [prep]	19
20	be see on the [noun] [prep]	19
21	be [verb] on the [noun] by	17
22	be find on the [noun] [prep]	17
23	be found on the [noun] [prep]	17
24	be [verb] on the [noun] for	16
25	be do on the [noun] [prep]	16
26	be done on the [noun] [prep]	15
27	be [verb] on the floor [prep]	14
28	be assessed on the [noun] [prep]	14
29	be assess on the [noun] [prep]	14
30	be [verb] on the floor [prep]	14