SN4 ""

No	Pattern	Freq
1	been [vb pp] at the [noun sg] [prep]	218
2	[been] [vb pp] at the [noun sg] [prep]	218
3	[been] [vb pp] at the [noun sg] of	186
4	[been] [vb pp] at the [noun sg] of	186
5	[been] [vb pp] at the time [prep]	32
6	[been] [vb pp] at the end [prep]	24
7	[been] [vb pp] at the expense [prep]	18
8	[been] made at the [noun sg] [prep]	11
9	[been] achieved at the [noun sg] [prep]	11
10	[been] [vb pp] at the beginning [prep]	10
11	[been] [vb pp] at the [noun sg] by	8
12	[been] placed at the [noun sg] [prep]	8
13	[been] [vb pp] at the request [prep]	8
14	[been] [vb pp] at the cost [prep]	8
15	[been] [vb pp] at the [noun sg] by	8
16	[been] [vb pp] at the level [prep]	7
17	[been] [vb pp] at the top [prep]	7
18	[been] [vb pp] at the [noun sg] in	6
19	[been] bought at the [noun sg] [prep]	6
20	[been] found at the [noun sg] [prep]	6
21	[been] [vb pp] at the head [prep]	6
22	[been] [vb pp] at the [noun sg] in	6
23	[been] undertaken at the [noun sg] [prep]	5
24	[been] [vb pp] at the age [prep]	5
25	[been] [vb pp] at the [noun sg] for	5
26	[been] built at the [noun sg] [prep]	5
27	[been] [vb pp] at the [noun sg] for	5