SN4 ""

No	Pattern	Freq
1	was [verb] at the	1986
2	was [verb] at the	1986
3	was [vb pp] at the	1337
4	was [v-ing] at the	624
5	was look at the	107
6	was looking at the	102
7	was stand at the	86
8	was standing at the	85
9	was hold at the	76
10	was held at the	76
11	was educated at the	71
12	was educate at the	71
13	was staring at the	53
14	was sit at the	53
15	was stare at the	53
16	was sitting at the	52
17	was make at the	35
18	was made at the	34
19	was find at the	30
20	was found at the	30
21	was working at the	27
22	was work at the	27
23	was [to-vb] at the	24
24	was build at the	23
25	was waiting at the	23
26	was wait at the	23
27	was built at the	23
28	was bear at the	20
29	was born at the	20
30	was established at the	19