First register 10 Pokemon or more in the pokedex, Second get the HM Cut and teach it to a Pokemon, Third get the 2nd badge, Lastly head to viridian city using diglett's cave in vermilion city then after you exit from the other side you will appear in route 2 go south and use Cut to help you reach a big building inside there is an aide for prof oak talk to him and answer his question by saying YES he gives you the HM Flash.
This TM doesn't exist in leafgreen.
All HM's are in the TM case which is in the key items pocket of your bag.
you cant go underwater in leafgreen!!
You get the TM STRENGTH and then give it to a Pokemon.wohoo
im pretty sure that rollout is a move not a TM
please take chack for tm in pokemon leaf green
This TM doesn't exist in leafgreen.
All HM's are in the TM case which is in the key items pocket of your bag.
There is no Tm trick in leaf green
Nowhere.
dig
you cant go underwater in leafgreen!!
In Victory Road.
Mt.moon
all the answers about Pokemon are on serebii.net
That TM is hidden in the power plant.
mt moon