SN4 ""

No	Pattern	Freq
1	was [verb] at the	1986
2	[was/were] [vb pp] at the	1890
3	[was/were] [v-ing] at the	816
4	were [verb] at the	764
5	[was/were] look at the	152
6	[was/were] looking at the	141
7	[was/were] stand at the	99
8	[was/were] standing at the	98
9	[was/were] held at the	84
10	[was/were] hold at the	84
11	[was/were] educated at the	74
12	[was/were] educate at the	74
13	[was/were] sit at the	63
14	[was/were] sitting at the	62
15	[was/were] staring at the	55
16	[was/were] stare at the	55
17	[was/were] make at the	54
18	[was/were] made at the	53
19	[was/were] [to-vb] at the	43
20	[was/were] find at the	36
21	[was/were] found at the	36
22	[was/were] represented at the	34
23	[was/were] represent at the	34
24	[was/were] work at the	33
25	[was/were] working at the	33
26	[was/were] built at the	30
27	[was/were] build at the	30
28	[was/were] wait at the	27
29	[was/were] waiting at the	27
30	[was/were] take at the	25