SN4 ""

No	Pattern	Freq
1	[adv] when they [vb past]	324
2	even when they [vb past]	58
3	[adv] when they had	44
4	then when they [vb past]	24
5	only when they [vb past]	24
6	[adv] when they did	22
7	especially when they [vb past]	19
8	[adv] when they came	17
9	so when they [vb past]	16
10	[adv] when they 'd	15
11	later when they [vb past]	14
12	[adv] when they went	13
13	ago when they [vb past]	13
14	[adv] when they got	12
15	there when they [vb past]	12
16	well when they [vb past]	11
17	away when they [vb past]	10
18	[adv] when they saw	9
19	[adv] when they reached	8
20	again when they [vb past]	8
21	just when they [vb past]	7
22	[adv] when they ran	7
23	[adv] when they found	7
24	[adv] when they took	7
25	home when they [vb past]	7
26	[adv] when they knew	6
27	[adv] when they met	5
28	[adv] when they started	5
29	[adv] when they left	5
30	[adv] when they arrived	5