&lt;p&gt;GRAMMAR&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; PRESENT PERFECT&lt;/p&gt;&lt;p&gt;THE FORM OF PRESENT PERFECT&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/p&gt;&lt;p&gt;THE USAGE OF PRESENT PERFECT&lt;/p&gt;&lt;p&gt;EXERCISES OF APPLICATION&lt;/p&gt;