The use of modal verbs and phrases for obligation, lack of obligation, prohibition, permission and ability.
|
01
383.72 KB |
|
02
238.72 KB |
|
03
346.19 KB |
|
03
819.82 KB |
|
04
312.44 KB |
|
05
320.74 KB |
|
06
307.61 KB |
|
|
06
1.06 MB |
EUR
GBP
CAD
TRY
JPY
RUB
CNY
