I want you to run to the store immediately and get some ice cream.
The phrase you are thinking of is effective immediately, not effectively immediately. This means that something (usually a rule or procedure) is in effect right now, with no waiting period.
If the sentence is: I will go to the store immediately...then "immediately" is an adverb. It answers the "when" requirement. "Immediately" is never a preposition.
I shall immediately fire off a severely chastening letter to the supervisory staff of this hotel!
Emphatic
The mood of the verb "take" in the sentence "Take cover immediately" is imperative. Imperative mood is used to give commands or make requests. In this sentence, the speaker is giving a direct command to the listener to take cover immediately.
The teacher saw the funnel cloud on the horizon and called to the children playing in the yard: "Come in, immediately!"
I drank the healing elixir and immediately felt better.
If the fire alarm goes off, exit the building immediately!
If its a statement like, Leave us immediately. that's how you use like an umm.. emotion or like your yelling at someone
When they realised that he was innocent his lawyers insisted that he should be freed immediately.
When the herring jumped out of the water, it was immediately eaten by a seagull.
Meet me at the rendezvous point, immediately. We were supposed to rendezvous at nine.
The phrase you are thinking of is effective immediately, not effectively immediately. This means that something (usually a rule or procedure) is in effect right now, with no waiting period.
She loved the gold earrings that her husband had bought her for her birthday and she put them on immediately.
Immediately is an adverb.
If the sentence is: I will go to the store immediately...then "immediately" is an adverb. It answers the "when" requirement. "Immediately" is never a preposition.
The abbreviation for development is Devel. If you use this in a sentence, many people will immediately know what you are referring to.