Rewrite the sentences

 1 they speak English all  over the world.( change the sentence into passive) 
---->English ....
2. The girl is lab she is standing near the door.  ( using present participle v-ing) 
---> ........
3. Ba said I will go threw tomorrow ( change this sentence into reported speed) 
---> ba said. .. 
4.can you swim across this river?  She asked me( reported speed) 
---> she asked me....