S: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 
The professor is showing the map to the class.

| Past Participle: shown, showed | Gerund: showing |
| [I] I show ___ |
| [you, we, they] You show ___ |
| [he, she, it] He shows ___ |
| [I] I showed ___ |
| [you, we, they] You showed ___ |
| [he, she, it] He showed ___ |
| [I] I will show ___ |
| [you, we, they] You will show ___ |
| [he, she, it] He will show ___ |
| [I] I am showing ___ |
| [you, we, they] You are showing ___ |
| [he, she, it] He is showing ___ |
| [I] I was showing ___ |
| [you, we, they] You were showing ___ |
| [he, she, it] He was showing ___ |
| [I] I have shown ___ |
| [you, we, they] You have shown ___ |
| [he, she, it] He has shown ___ |
| [I] I had shown ___ |
| [you, we, they] You had shown ___ |
| [he, she, it] He had shown ___ |
| [I] I will have shown ___ |
| [you, we, they] You will have shown ___ |
| [he, she, it] He will have shown ___ |
| [I] I do show ___ |
| [you, we, they] You do show ___ |
| [he, she, it] He does show ___ |
| [I] I did show ___ |
| [you, we, they] You did show ___ |
| [he, she, it] He did show ___ |