SN4 ""

No	Pattern	Freq
1	[pron] know when they	49
2	[pers pn] know when they	44
3	you know when they	36
4	you know when they	35
5	[adv] know when they	23
6	[not/n't] know when they	13
7	not know when they	13
8	n't know when they	11
9	[adv] know when they	10
10	[noun] know when they	8
11	never know when they	6
12	never know when they	6
13	know when they [verb]	42
14	know when they [vb base]	29
15	know when they be	24
16	know when they [be]	24
17	know when they [am/are]	18
18	know when they [vb mod]	16
19	know when they [modal v]	16
20	know when they [vb past]	13
21	know when they 're	10
22	know when they are	8
23	know when they have	8
24	know when they will	6
25	know when they [was/were]	6
26	know when they were	6
27	know when they will	5
28	know when they say	5
29	know when they 've	5