SN4 ""

No	Pattern	Freq
1	[was/were] at the [noun] [prep]	619
2	[was/were] at the [noun] [prep]	619
3	[was/were] at the [noun sg] [prep]	601
4	[was/were] at the [noun] of	557
5	[was/were] at the [noun] of	557
6	was at the [noun] [prep]	447
7	were at the [noun] [prep]	172
8	[was/were] at the centre [prep]	71
9	[was/were] at the centre [prep]	71
10	[was/were] at the end [prep]	63
11	[was/were] at the end [prep]	62
12	[was/were] at the heart [prep]	37
13	[was/were] at the heart [prep]	37
14	[was/were] at the bottom [prep]	34
15	[was/were] at the bottom [prep]	34
16	[was/were] at the time [prep]	33
17	[was/were] at the time [prep]	33
18	[was/were] at the top [prep]	32
19	[was/were] at the forefront [prep]	32
20	[was/were] at the forefront [prep]	32
21	[was/were] at the top [prep]	32
22	[was/were] at the back [prep]	29
23	[was/were] at the back [prep]	29
24	[was/were] at the [noun] in	24
25	[was/were] at the [noun] in	24
26	[was/were] at the beginning [prep]	19
27	[was/were] at the beginning [prep]	19
28	[was/were] at the height [prep]	18
29	[was/were] at the height [prep]	18
30	[was/were] at the [noun pl] [prep]	16