Here is your answer:
import { FormsModule } from '@angular/forms';
[...]
@NgModule({
imports: [
[...]
FormsModule
],
[...]
})
Through you can resolve your errors, Here I am sharing with you some resource you can follow them:
1. https://stackoverflow.com/questions/38892771/cant-bind-to-ngmodel-since-it-isnt-a-known-property-of-input
2. Learn Angular