[Can’t bind to ‘ngModel’ since it isn’t a known property of ‘input’]

 

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