how to do a clock in minecraft

Hopper clock - Comparator
testfor @p[score_status_min=5]
Comparator
setblock ~6 ~ ~ minecraft:redstone_block
inverted torch
setblock ~6 ~-1 ~1 minecraft:redstone_block

/summon Skeleton 264 56 -386 {Attributes:[{Name:generic.followRange,Base:1.0},{Name:generic.movementSpeed,Base:0.001}], Equipment:[{id:261,tag:{ench:[{id:50,lvl:1}]}},{id:301,tag:{display:{color:14540253}}},{id:300,tag:{display:{color:14540253}}},{id:299,tag:{display:{color:14540253}}},{Damage:3,id:397,tag:{SkullOwner:MHF_Villager}}],CustomNameVisible:1,CustomName:"Alert Guard",PersistenceRequired:1,Invulnerable:0}


/summon Skeleton 264 56 -386 {Attributes:[{Name:generic.followRange,Base:20.0},{Name:generic.movementSpeed,Base:0.001}], Equipment:[{id:261,tag:{ench:[{id:50,lvl:1}]}},{id:301,tag:{display:{color:9843760}}},{id:300,tag:{display:{color:9843760}}},{id:299,tag:{display:{color:9843760}}},{Damage:3,id:397,tag:{SkullOwner:MHF_Villager}}],CustomNameVisible:1,CustomName:"Angry Guard",PersistenceRequired:1,Invulnerable:0}


setblock ~ ~ ~1 minecraft:air

setblock ~10 ~-1 ~ minecraft:air

setblock ~10 ~-1 ~-2 minecraft:wool 1