SN4 ""

No	Pattern	Freq
1	[noun] [adv] when they	207
2	[verb] [adv] when they	168
3	[conj] [adv] when they	131
4	[noun pl] [adv] when they	115
5	[coord] [adv] when they	112
6	[adv] [adv] when they	98
7	[noun sg] [adv] when they	86
8	and [adv] when they	78
9	[adv] [adv] when they	78
10	and [adv] when they	78
11	[pron] [adv] when they	45
12	[adj] [adv] when they	41
13	be [adv] when they	38
14	[be] [adv] when they	38
15	[vb base] [adv] when they	35
16	[pers pn] [adv] when they	35
17	[adj] [adv] when they	32
18	[vb past] [adv] when they	30
19	but [adv] when they	29
20	but [adv] when they	29
21	[to-vb] [adv] when they	27
22	[vb pp] [adv] when they	26
23	year [adv] when they	25
24	[vb infin] [adv] when they	25
25	years [adv] when they	25
26	[v-ing] [adv] when they	23
27	they [adv] when they	19
28	[prep] [adv] when they	17
29	[prep] [adv] when they	17
30	them [adv] when they	17