SN4 ""

No	Pattern	Freq
1	before [verb] the [noun sg]	895
2	before [v-ing] the [noun sg]	894
3	before leave the [noun sg]	64
4	before leaving the [noun sg]	64
5	before reach the [noun sg]	49
6	before reaching the [noun sg]	49
7	before entering the [noun sg]	46
8	before enter the [noun sg]	46
9	before join the [noun sg]	35
10	before joining the [noun sg]	35
11	before start the [noun sg]	26
12	before starting the [noun sg]	26
13	before [verb] the ball	22
14	before making the [noun sg]	21
15	before make the [noun sg]	21
16	before taking the [noun sg]	20
17	before take the [noun sg]	20
18	before opening the [noun sg]	14
19	before [verb] the door	14
20	before open the [noun sg]	14
21	before putting the [noun sg]	13
22	before put the [noun sg]	13
23	before examine the [noun sg]	13
24	before examining the [noun sg]	13
25	before [verb] the study	12
26	before crossing the [noun sg]	10
27	before hit the [noun sg]	10
28	before using the [noun sg]	10
29	before hitting the [noun sg]	10
30	before use the [noun sg]	10