SN4 ""

No	Pattern	Freq
1	[be] [verb] at the time when	14
2	be [verb] at the time when	14
3	[noun] [verb] at the time when	7
4	[adv] [verb] at the time when	7
5	[verb] [verb] at the time when	6
6	[was/were] [verb] at the time when	6
7	[noun sg] [verb] at the time when	5
8	was [verb] at the time when	5
9	[verb] [adv] at the time when	10
10	[verb] [adv] at the time when	7
11	[verb] [verb] at the time when	6
12	[verb] just at the time when	5
13	[verb] just at the time when	5
14	[verb] at the time when [pron]	17
15	[verb] at the time when [pers pn]	16
16	[verb] at the time when [art]	14
17	[verb] at the time when [art]	14
18	[verb] at the time when the	13
19	[verb] at the time when the	13
20	[verb] at the time when he	8
21	[verb] at the time when he	8
22	[verb] at the time when [noun]	7
23	[verb] at the time when [noun prp]	6
24	[verb] at the time when [adj]	5