SN4 ""

No	Pattern	Freq
1	be [verb] [adv prt] at the [noun]	386
2	be [verb] [adv prt] at the [noun]	386
3	be [verb] [adv prt] at the [noun sg]	321
4	be [vb pp] [adv prt] at the [noun]	239
5	be [v-ing] [adv prt] at the [noun]	143
6	was [verb] [adv prt] at the [noun]	111
7	be [verb] up at the [noun]	107
8	be [verb] out at the [noun]	82
9	be [verb] [adv prt] at the [noun]	64
10	be [verb] on at the [noun]	56
11	be [verb] [adv prt] at the end	50
12	be [verb] [adv prt] at the end	48
13	were [verb] [adv prt] at the [noun]	45
14	been [verb] [adv prt] at the [noun]	45
15	is [verb] [adv prt] at the [noun]	41
16	be [verb] down at the [noun]	40
17	be going [adv prt] at the [noun]	40
18	be go [adv prt] at the [noun]	40
19	be [verb] in at the [noun]	39
20	be [verb] [adv prt] at the [noun pl]	35
21	be [verb] [adv prt] at the moment	32
22	be [verb] [adv prt] at the moment	31
23	be [verb] [adv prt] at the time	29
24	be [verb] [adv prt] at the time	29
25	be [verb] off at the [noun]	26
26	be [verb] [adv prt] at the [noun prp]	25
27	's [verb] [adv prt] at the [noun]	25
28	be carry [adv prt] at the [noun]	24
29	be carried [adv prt] at the [noun]	24
30	be set [adv prt] at the [noun]	22