SN4 ""

No	Pattern	Freq
1	once you [verb]	1335
2	once you [vb base]	1231
3	once you have	860
4	once you have	419
5	once you 've	398
6	once you be	192
7	once you [be]	192
8	once you [am/are]	174
9	once you get	144
10	once you get	117
11	once you [vb past]	103
12	once you 're	96
13	once you are	78
14	once you start	58
15	once you start	57
16	once you know	50
17	once you know	42
18	once you got	27
19	once you had	25
20	once you [modal v]	24
21	once you [vb mod]	24
22	once you can	19
23	once you can	19
24	once you were	18
25	once you [was/were]	18
26	once you 'd	18
27	once you begin	14
28	once you begin	14
29	once you understand	12
30	once you understand	12