<My sweet and respected teachers> <1> My phone battery finished or went dead correct it?Please <2> My phone is on charge or being charged correct it?Please <3> Let's go to the hill correct? <4> I'm going to the roof correct? If I am on the roof with my friend can i say 'Let's go down' correct? <5> 'Use the ladder to go down' and 'go slowly on the ladder you might fall down correct or not correct please <6> 'Fall off a ladder' what does it mean? Thanks in advance