SN4 ""

No	Pattern	Freq
1	been [verb] at the	713
2	[been] [verb] at the	713
3	[been] [verb] at the	713
4	[been] [vb pp] at the	566
5	[been] [v-ing] at the	145
6	[been] look at the	48
7	[been] looking at the	47
8	[been] make at the	21
9	[been] made at the	21
10	[been] achieved at the	17
11	[been] achieve at the	17
12	[been] work at the	13
13	[been] found at the	13
14	[been] find at the	13
15	[been] working at the	13
16	[been] level at the	11
17	[been] placed at the	11
18	[been] place at the	11
19	[been] levelled at the	11
20	[been] built at the	10
21	[been] build at the	10
22	[been] hold at the	10
23	[been] held at the	10
24	[been] seen at the	9
25	[been] see at the	9
26	[been] introduced at the	8
27	[been] direct at the	8
28	[been] stay at the	8
29	[been] do at the	8
30	[been] sitting at the	8