SN4 ""

No	Pattern	Freq
1	[conj] by the time they	45
2	[noun] by the time they	42
3	[coord] by the time they	37
4	[noun sg] by the time they	31
5	[verb] by the time they	24
6	but by the time they	19
7	but by the time they	19
8	[adj] by the time they	19
9	[adj] by the time they	18
10	and by the time they	18
11	and by the time they	18
12	[vb pp] by the time they	13
13	[noun pl] by the time they	10
14	[adv] by the time they	10
15	[adv] by the time they	8
16	[v-ing] by the time they	7
17	that by the time they	6
18	[that] by the time they	6
19	that by the time they	6
20	[pron] by the time they	5
21	by the time that they	5
22	by the time [conj] they	5
23	by the time [that] they	5
24	by the time that they	5
25	by the time they [verb]	235
26	by the time they [vb past]	160
27	by the time they [vb base]	75
28	by the time they be	58
29	by the time they [be]	58
30	by the time they have	56