SN4 ""

No	Pattern	Freq
1	[noun] when the [noun]	3469
2	[noun sg] when the [noun]	2887
3	[verb] when the [noun]	2319
4	[adv] when the [noun]	1881
5	[conj] when the [noun]	1748
6	[adv] when the [noun]	1566
7	[coord] when the [noun]	1204
8	[vb pp] when the [noun]	1037
9	[adj] when the [noun]	936
10	[adj] when the [noun]	757
11	and when the [noun]	726
12	and when the [noun]	726
13	but when the [noun]	400
14	but when the [noun]	400
15	[that] when the [noun]	389
16	that when the [noun]	389
17	that when the [noun]	389
18	even when the [noun]	321
19	even when the [noun]	321
20	[vb past] when the [noun]	304
21	[adv prt] when the [noun]	303
22	[vb -s] when the [noun]	289
23	[noun prp] when the [noun]	271
24	[noun pl] when the [noun]	253
25	[vb infin] when the [noun]	245
26	[pron] when the [noun]	239
27	only when the [noun]	213
28	only when the [noun]	213
29	[pers pn] when the [noun]	192
30	[to-vb] when the [noun]	164