ng g c skip-import code example

Example 1: skip import angular 6

ng g component component-name --skip-import

Example 2: More than one module matches

Specify the module using the --module parameter. 
For example, if the main module is app.module.ts, run this:

ng g c new-component --module app
Or if you are in an other directory then

ng g c component-name --module ../