SN4 ""

No	Pattern	Freq
1	while [verb] at the	37
2	while [v-ing] at the	36
3	while work at the	11
4	while working at the	11
5	while [noun] at the	7
6	[noun] while at the	106
7	[noun sg] while at the	71
8	[noun pl] while at the	25
9	[verb] while at the	10
10	[adv] while at the	9
11	[adv] while at the	8
12	[n mass] while at the	7
13	[vb pp] while at the	6
14	while at [noun] the	6
15	while at [noun prp] the	5
16	while at the [adj]	347
17	while at the [det]	312
18	while at the same	311
19	while at the same	311
20	while at the [noun]	49
21	while at the [noun sg]	40
22	while at the [adj]	32
23	while at the other	18
24	while at the other	18
25	while at the [noun prp]	8
26	while at the end	6
27	while at the end	6