John had to call security to watch over his home.
Do you concur that you did not check the side entrances? After the investigation the security staff concurred that they had overlooked the security of the side entrances.
There is a security near the house.
The security guard stood outside the gates.
When I arrived at work, I had to sign in with security; apparently, I left my ID badge in my other purse.
Security as airports is intense. People lock their doors for security reasons.
a compound is a mater made of two or more element
A security guard is posted at the gate of the mental hospital.
There is a high probability that this sentence will not qualify as a good sentence.
TailorableScalableResponsive
The complex sentence is "After you install the security software, your computer will run smoothly." This sentence contains an independent clause ("your computer will run smoothly") and a dependent clause ("After you install the security software"), which makes it complex. The other sentence about the technician is a compound sentence, and the last sentence is incomplete.
He has job security because he's been here so long. She need to find security in her next relationship.
Mandate can be either a noun or a verb: The commissioner was given a mandate to increase security in the public schools. The first thing I will do is mandate a complete overhaul of the process.