SN4 ""

No	Pattern	Freq
1	[verb] [adv] [adv] when	327
2	[adv] [adv] [adv] when	159
3	[be] [adv] [adv] when	123
4	be [adv] [adv] when	123
5	[noun] [adv] [adv] when	123
6	[adv] [adv] [adv] when	107
7	[conj] [adv] [adv] when	96
8	[coord] [adv] [adv] when	83
9	[noun sg] [adv] [adv] when	81
10	[vb past] [adv] [adv] when	80
11	[pron] [adv] [adv] when	65
12	[was/were] [adv] [adv] when	62
13	[vb pp] [adv] [adv] when	61
14	and [adv] [adv] when	59
15	and [adv] [adv] when	59
16	[pers pn] [adv] [adv] when	58
17	[vb infin] [adv] [adv] when	56
18	was [adv] [adv] when	46
19	[vb base] [adv] [adv] when	44
20	[is] [adv] [adv] when	41
21	[adv prt] [adv] [adv] when	38
22	[to-vb] [adv] [adv] when	35
23	[noun pl] [adv] [adv] when	32
24	[vb -s] [adv] [adv] when	29
25	[adj] [adv] [adv] when	28
26	is [adv] [adv] when	27
27	even [adv] [adv] when	27
28	even [adv] [adv] when	27
29	it [adv] [adv] when	25
30	it [adv] [adv] when	25