how to import existing resources into terraform

how to import existing resources in terraform

========================================
import {
id = "i-05ca089daa483f8ae"
}

import {
id = "i-031495a2e82221b9c"
}
import {
id ="vpc-0fcef854fa12f1f34"

}

================================================
provider "aws" {
region = "us-west-2"

}

resource "aws_instance" "myec2-1" {

ami = "ami-08d8ac128e0a1b91c"

tags = {
Name ="ins-1"
}

}

resource "aws_instance" "myec2-2" {

ami = "ami-08d8ac128e0a1b91c"

tags = {
Name ="ins-2"
}

}

resource "aws_vpc" "myvpcdev" {
cidr_block = "10.0.0.0/24"


}