<div>
<input type="text" [formControl]="myForm.controls.firstName"/>
<input type="text" [formControl]="myForm.controls.lastName"/>
<input type="text" [formControl]="myForm.controls.email"/>
<input type="text" [formControl]="myForm.controls.title"/>
</div>
same as
<div [formGroup]="myForm">
<input type="text" formControlName="firstName"/>
<input type="text" formControlName="lastName"/>
<input type="text" formControlName="email"/>
<input type="text" formControlName="title"/>
</div>