SN4 ""

No	Pattern	Freq
1	be [verb] at the [det] [noun]	303
2	be [verb] at the same [noun]	298
3	be [verb] at the [det] [noun sg]	295
4	be [vb pp] at the [det] [noun]	244
5	be [verb] at the [det] time	217
6	be [verb] at the [det] time	217
7	be [verb] at the [det] [noun]	87
8	be [v-ing] at the [det] [noun]	56
9	was [verb] at the [det] [noun]	51
10	were [verb] at the [det] [noun]	46
11	are [verb] at the [det] [noun]	40
12	is [verb] at the [det] [noun]	31
13	been [verb] at the [det] [noun]	20
14	being [verb] at the [det] [noun]	19
15	be [verb] at the [det] rate	16
16	be [verb] at the [det] rate	16
17	be made at the [det] [noun]	11
18	be make at the [det] [noun]	11
19	be look at the [det] [noun]	10
20	be looking at the [det] [noun]	10
21	be hold at the [det] [noun]	10
22	be held at the [det] [noun]	10
23	be [verb] at the [det] level	8
24	be [verb] at the [det] level	8
25	be perform at the [det] [noun]	7
26	be performed at the [det] [noun]	7
27	be do at the [det] [noun]	6
28	be taken at the [det] [noun]	5
29	be built at the [det] [noun]	5
30	be [verb] at the [det] [noun pl]	5