to begin (doing);  to start (doing)
 to begin to fall (rain, etc.)
 to begin to appear;  to begin to come in
 to start;  to start up;  to embark on;  to get going;  to commence
 to begin to appear;  to begin to come in
 to begin to fall (rain, etc.)
 to get going;  to start off
 to begin to attend (e.g. school)
 to begin to walk;  to set out
 to begin some form of lifestyle
 to begin to catch (attention, etc.);  to begin to collect