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	[was/were] [verb] [adv prt] at the [noun]	156
6	[be] [v-ing] [adv prt] at the [noun]	143
7	was [verb] [adv prt] at the [noun]	111
8	[be] [verb] up at the [noun]	107
9	[be] [verb] out at the [noun]	82
10	[is] [verb] [adv prt] at the [noun]	66
11	be [verb] [adv prt] at the [noun]	64
12	[be] [verb] [adv prt] at the [noun]	64
13	[be] [verb] on at the [noun]	56
14	[be] [verb] [adv prt] at the end	50
15	[be] [verb] [adv prt] at the end	48
16	were [verb] [adv prt] at the [noun]	45
17	[been] [verb] [adv prt] at the [noun]	45
18	been [verb] [adv prt] at the [noun]	45
19	is [verb] [adv prt] at the [noun]	41
20	[am/are] [verb] [adv prt] at the [noun]	40
21	[be] go [adv prt] at the [noun]	40
22	[be] [verb] down at the [noun]	40
23	[be] going [adv prt] at the [noun]	40
24	[be] [verb] in at the [noun]	39
25	[be] [verb] [adv prt] at the [noun pl]	35
26	[be] [verb] [adv prt] at the moment	32
27	[be] [verb] [adv prt] at the moment	31
28	[be] [verb] [adv prt] at the time	29
29	[be] [verb] [adv prt] at the time	29
30	[be] [verb] off at the [noun]	26