SN4 ""

No	Pattern	Freq
1	[prep] the [noun sg] when	1577
2	[prep] the time when	498
3	in the [noun sg] when	326
4	at the [noun sg] when	324
5	of the [noun sg] when	256
6	[prep] the day when	184
7	to the [noun sg] when	138
8	[prep] the moment when	122
9	during the [noun sg] when	89
10	[prep] the year when	88
11	for the [noun sg] when	82
12	[prep] the morning when	70
13	from the [noun sg] when	68
14	[prep] the period when	60
15	on the [noun sg] when	56
16	[prep] the date when	53
17	[prep] the war when	52
18	[prep] the evening when	42
19	[prep] the afternoon when	40
20	[prep] the summer when	39
21	[prep] the past when	35
22	[prep] the season when	32
23	[prep] the night when	32
24	after the [noun sg] when	30
25	[prep] the week when	28
26	about the [noun sg] when	23
27	as the [noun sg] when	23
28	until the [noun sg] when	21
29	[prep] the winter when	21
30	[prep] the future when	19