SN4 ""

No	Pattern	Freq
1	[pron] know when he	40
2	[pers pn] know when he	36
3	[adv] know when he	29
4	not know when he	20
5	[not/n't] know when he	20
6	n't know when he	17
7	[noun] know when he	15
8	he know when he	14
9	he know when he	14
10	you know when he	13
11	you know when he	13
12	[noun prp] know when he	9
13	[adv] know when he	9
14	[verb] know when he	5
15	[noun sg] know when he	5
16	never know when he	5
17	never know when he	5
18	i know when he	5
19	know when he [verb]	40
20	know when he [be]	34
21	know when he be	34
22	know when he [vb past]	24
23	know when he [modal v]	22
24	know when he [vb mod]	22
25	know when he [was/were]	21
26	know when he was	21
27	know when he [vb -s]	15
28	know when he [is]	13
29	know when he would	11
30	know when he 's	11