SN4 ""

No	Pattern	Freq
1	was [v-ing] at the [noun sg]	434
2	was looking at the [noun]	74
3	was standing at the [noun]	71
4	was [v-ing] at the [noun pl]	52
5	was sitting at the [noun]	47
6	was staring at the [noun]	45
7	was [v-ing] at the time	43
8	was [v-ing] at the time	43
9	was [v-ing] at the door	29
10	was [v-ing] at the door	29
11	was waiting at the [noun]	23
12	was [v-ing] at the table	22
13	was [v-ing] at the table	22
14	was working at the [noun]	21
15	was [v-ing] at the [noun prp]	21
16	was [v-ing] at the end	14
17	was [v-ing] at the top	14
18	was [v-ing] at the end	14
19	was [v-ing] at the top	14
20	was [v-ing] at the back	13
21	was [v-ing] at the back	13
22	was speaking at the [noun]	12
23	was staying at the [noun]	11
24	was [v-ing] at the window	11
25	was happening at the [noun]	10
26	was [v-ing] at the window	9
27	was [v-ing] at the kitchen	8
28	was [v-ing] at the kitchen	8
29	was shouting at the [noun]	7
30	was living at the [noun]	7