SN4 ""

No	Pattern	Freq
1	[noun] at [noun] when	139
2	[noun sg] at [noun] when	89
3	[verb] at [noun] when	80
4	[adv] at [noun] when	49
5	be at [noun] when	37
6	[be] at [noun] when	37
7	[noun pl] at [noun] when	35
8	[adv] at [noun] when	30
9	[vb pp] at [noun] when	26
10	[adj] at [noun] when	20
11	[was/were] at [noun] when	19
12	[vb past] at [noun] when	18
13	[adv prt] at [noun] when	15
14	was at [noun] when	15
15	[noun prp] at [noun] when	12
16	[v-ing] at [noun] when	11
17	[adj] at [noun] when	11
18	[to-vb] at [noun] when	7
19	[vb -s] at [noun] when	7
20	[vb infin] at [noun] when	7
21	day at [noun] when	6
22	[pron] at [noun] when	6
23	look at [noun] when	6
24	be at [noun] when	5
25	out at [noun] when	5
26	[conj] at [noun] when	5
27	still at [noun] when	5
28	[be] at [noun] when	5
29	[pers pn] at [noun] when	5
30	[num] at [noun] when	5