SN4 ""

No	Pattern	Freq
1	[conj] when they [verb]	887
2	[coord] when they [verb]	660
3	[conj] when they [vb past]	500
4	and when they [verb]	441
5	and when they [verb]	441
6	[conj] when they [vb base]	387
7	but when they [verb]	197
8	but when they [verb]	197
9	[that] when they [verb]	129
10	that when they [verb]	129
11	that when they [verb]	129
12	[subord] when they [verb]	98
13	[conj] when they have	95
14	[conj] when they do	84
15	[conj] when they come	69
16	[conj] when they get	53
17	[conj] when they do	51
18	[conj] when they had	50
19	[conj] when they came	43
20	[conj] when they go	35
21	[conj] when they did	33
22	[conj] when they got	31
23	[conj] when they reach	30
24	[conj] when they reached	28
25	than when they [verb]	28
26	than when they [verb]	28
27	[conj] when they arrive	28
28	[conj] when they come	26
29	[conj] when they have	24
30	[conj] when they arrived	23