Creating the Form using Template in Angular Forms

app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { HttpModule } from '@angular/http';

import { AppComponent } from './app.component';

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    FormsModule,
    HttpModule
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

app.component.html

<div class="container">
  <div class="row">
    <div class="col-xs-12 col-sm-10 col-md-8 col-sm-offset-1 col-md-offset-2">
      <form (ngSubmit)="onSubmit(myForm)" #myForm="ngForm">
        <div id="user-data">
          <div class="form-group">
            <label for="username">Username</label>
            <input type="text" id="username" class="form-control"
                   ngModel name="username">
          </div>
          <button class="btn btn-default" type="button">Suggest an Username</button>
          <div class="form-group">
            <label for="email">Mail</label>
            <input type="email" id="email" class="form-control"
                   ngModel name="email">
          </div>
        </div>
        <div class="form-group">
          <label for="secret">Secret Questions</label>
          <select id="secret" class="form-control"
                  ngModel name="secret">
            <option value="pet">Your first Pet?</option>
            <option value="teacher">Your first teacher?</option>
          </select>
        </div>
        <button class="btn btn-primary" type="submit">Submit</button>
      </form>
    </div>
  </div>
</div>

app.component.ts

import {Component} from '@angular/core';
import {NgForm} from '@angular/forms';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  suggestUserName() {
    const suggestedName = 'Superuser';
  }

  onSubmit(form: NgForm) {
    console.log(form);
  }
}

References
https://angular.io/guide/forms