[elsif|elsif statement]
elsif ( | ) {

}

[foreach|foreach loop]
foreach ( | ) {

}

[if|if statement]
if ( | ) {

}

[ifelse|if with else statement]
if ( | ) {

}
else   {

}

[sub|subroutine definition]
sub name|
{

return 1;
}

[unless|unless statement]
unless ( | ) {

}

[until|until loop]
until ( | ) {

}

[while|while loop]
while ( | ) {

}

