Moving multiple frames? - newbie question

[Corona]

I'm trying to find a way to select multiple frames on a layer and drag them forward or backwards without effecting the position of the other drawings on that layer. I can do it with a single frame using the handles on the time line but can't figure out how to do it to a range of frames. Thanks for any help you can give.

[slowtiger]

It's not possible within one layer. I get around with carefully counting frames while moving the layer, then adjusting the exposures before and after the segment. If it's a really long layer, I either copy the frames to a new layer and move this, or I cut the original layer to separate the parts.

[Corona]

Thank you.