Align

Align first keyframe on the CTI

Original keyframes	Layer mode click	Property mode ALT (⌥)+click	Global mode SHIFT + click

Align last keyframe on the CTI

Original keyframes	Layer mode click	Property mode ALT (⌥)+click	Global mode SHIFT + click

Align on layers in point

Original keyframes	Layer mode click	Property mode ALT (⌥) + click

Align on layer out point

Original keyframes	Layer mode click	Property mode ALT (⌥) + click