SN4 ""

No	Pattern	Freq
1	when [pers pn] [verb] at the [noun]	260
2	when [pron] [verb] at the [noun sg]	222
3	when [pron] [vb past] at the [noun]	168
4	when [pron] arrive at the [noun]	104
5	when [pron] look at the [noun]	94
6	when [pron] [vb base] at the [noun]	88
7	when [pron] arrived at the [noun]	88
8	when [pron] look at the [noun]	61
9	when we [verb] at the [noun]	51
10	when we [verb] at the [noun]	51
11	when you [verb] at the [noun]	49
12	when you [verb] at the [noun]	49
13	when he [verb] at the [noun]	47
14	when he [verb] at the [noun]	47
15	when i [verb] at the [noun]	38
16	when i [verb] at the [noun]	38
17	when they [verb] at the [noun]	35
18	when they [verb] at the [noun]	35
19	when she [verb] at the [noun]	29
20	when she [verb] at the [noun]	29
21	when [pron] looked at the [noun]	26
22	when [pron] [verb] at the [noun pl]	23
23	when [pron] [verb] at the [noun prp]	20
24	when [pron] arrive at the [noun]	15
25	when [pron] [vb -s] at the [noun]	12
26	when it [verb] at the [noun]	11
27	when [pron] [verb] at the end	11
28	when [pron] [verb] at the end	11
29	when it [verb] at the [noun]	11
30	when [indef pn] [verb] at the [noun]	8