SN4 ""

No	Pattern	Freq
1	when [pron] [verb] on the [noun]	146
2	when [pers pn] [verb] on the [noun]	141
3	when [pron] [verb] on the [noun sg]	119
4	when [pron] [vb past] on the [noun]	101
5	when he [verb] on the [noun]	37
6	when he [verb] on the [noun]	37
7	when [pron] [vb base] on the [noun]	31
8	when you [verb] on the [noun]	24
9	when you [verb] on the [noun]	24
10	when we [verb] on the [noun]	22
11	when we [verb] on the [noun]	22
12	when they [verb] on the [noun]	19
13	when [pron] [verb] on the [noun pl]	19
14	when they [verb] on the [noun]	19
15	when i [verb] on the [noun]	17
16	when i [verb] on the [noun]	17
17	when she [verb] on the [noun]	15
18	when she [verb] on the [noun]	15
19	when [pron] go on the [noun]	14
20	when [pron] [vb -s] on the [noun]	13
21	when [pron] get on the [noun]	12
22	when [pron] arrive on the [noun]	12
23	when [pron] arrived on the [noun]	9
24	when [pron] went on the [noun]	9
25	when [pron] knocked on the [noun]	7
26	when [pron] [verb] on the [noun prp]	7
27	when it [verb] on the [noun]	7
28	when [pron] [verb] on the scene	7
29	when [pron] knock on the [noun]	7
30	when [pron] [verb] on the scene	7