SN4 ""

No	Pattern	Freq
1	[prep] the time when	498
2	[prep] the time when	498
3	at the time when	254
4	at the time when	254
5	to the time when	59
6	to the time when	59
7	from the time when	35
8	from the time when	35
9	of the time when	25
10	of the time when	25
11	about the time when	19
12	for the time when	19
13	about the time when	19
14	for the time when	19
15	during the time when	9
16	during the time when	9
17	as the time when	8
18	as the time when	8
19	like the time when	7
20	in the time when	7
21	since the time when	7
22	in the time when	7
23	since the time when	7
24	like the time when	7
25	around the time when	6
26	between the time when	6
27	around the time when	6
28	between the time when	6
29	until the time when	5
30	until the time when	5