reactive-form-module

import { ReactiveFormsModule } from '@angular/forms';
      @NgModule({
        declarations: [
          AppComponent
        ],
        imports: [
          BrowserModule,
          AppRoutingModule, ReactiveFormsModule,
          ServiceWorkerModule.register('/ngsw-worker.js', { enabled: environment.production })
        ],
        providers: [],
        bootstrap: [AppComponent]
      })