SN4 ""

No	Pattern	Freq
1	be [adv] at the [noun]	635
2	[be] [adv] at the [noun sg]	600
3	[was/were] [adv] at the [noun]	274
4	was [adv] at the [noun]	191
5	[is] [adv] at the [noun]	180
6	is [adv] at the [noun]	137
7	[am/are] [adv] at the [noun]	102
8	were [adv] at the [noun]	83
9	[be] still at the [noun]	73
10	are [adv] at the [noun]	69
11	[be] right at the [noun]	65
12	[be] there at the [noun]	59
13	[be] [adv] at the end	56
14	be [adv] at the [noun]	56
15	[be] [adv] at the [noun]	56
16	[be] [adv] at the end	56
17	's [adv] at the [noun]	43
18	[be] [adv] at the time	41
19	[be] [adv] at the time	40
20	[be] now at the [noun]	36
21	[be] only at the [noun]	30
22	[be] always at the [noun]	29
23	[be] also at the [noun]	28
24	[be] [adv] at the moment	27
25	[be] [adv] at the moment	27
26	[be] [adv] at the top	27
27	[be] [adv] at the top	27
28	[be] [adv] at the centre	27
29	[be] [adv] at the centre	27
30	[be] [adv] at the beginning	26