SN4 ""

No	Pattern	Freq
1	be [verb] [adv] at the [noun]	311
2	be [verb] [adv] at the [noun sg]	245
3	be [vb pp] [adv] at the [noun]	208
4	be [v-ing] [adv] at the [noun]	96
5	was [verb] [adv] at the [noun]	80
6	be [verb] [adv] at the [noun]	75
7	is [verb] [adv] at the [noun]	47
8	were [verb] [adv] at the [noun]	34
9	be [verb] [adv] at the [noun pl]	32
10	be [verb] [adv] at the [noun prp]	31
11	been [verb] [adv] at the [noun]	29
12	be [verb] away at the [noun]	24
13	be [verb] [adv] at the end	24
14	be [verb] [adv] at the end	24
15	are [verb] [adv] at the [noun]	23
16	be look [adv] at the [noun]	18
17	be [verb] together at the [noun]	16
18	be [verb] [adv] at the time	15
19	be [verb] [adv] at the time	15
20	be aim [adv] at the [noun]	15
21	be looking [adv] at the [noun]	14
22	be [verb] again at the [noun]	14
23	be aimed [adv] at the [noun]	14
24	be [verb] only at the [noun]	14
25	be [verb] [adv] at the beginning	12
26	be [verb] [adv] at the beginning	12
27	being [verb] [adv] at the [noun]	10
28	be [verb] here at the [noun]	10
29	be [verb] right at the [noun]	9
30	be [verb] [adv] at the start	9