By Present continuous, Images

Found this great article at the BBC Learning English site: ------------ Generally, we avoid using the continuous form of the passive with the future, present perfect, past perfectfuture perfect and , although present continuous ...

Hi,Can anybody help to clarify the difference between the two?according to Raymond Murphy:'' We use I am doing(present continuous) when we say what we have arranged to do- for example, arranged to meet somebody, arranged to go somewhere: i am meeting Ann this evening; I...