
Regular verb: knock - knocked - knocked
Simple form | V-ing form | 
| I'll knock you'll knock she'll knock we'll knock you'll knock they'll knock  | I'll be knocking you'll be knocking she'll be knocking we'll be knocking you'll be knocking they'll be knocking  | 
Perfect | V-ing perfect | 
| I'll have knocked you'll have knocked she'll have knocked we'll have knocked you'll have knocked they'll have knocked  | I'll have been knocking you'll have been knocking she'll have been knocking we'll have been knocking you'll have been knocking they'll have been knocking  | 
Simple form | V-ing form | 
| I shan't knock you shan't knock she shan't knock we shan't knock you shan't knock they shan't knock  | I shan't be knocking you shan't be knocking she shan't be knocking we shan't be knocking you shan't be knocking they shan't be knocking  | 
Perfect | V-ing perfect | 
| I shan't have knocked you shan't have knocked she shan't have knocked we shan't have knocked you shan't have knocked they shan't have knocked  | I shan't have been knocking you shan't have been knocking she shan't have been knocking we shan't have been knocking you shan't have been knocking they shan't have been knocking  | 
Simple form | V-ing form | 
| shall I knock? shall you knock? shall she knock? shall we knock? shall you knock? shall they knock?  | shall I be knocking? shall you be knocking? shall she be knocking? shall we be knocking? shall you be knocking? shall they be knocking?  | 
Perfect | V-ing perfect | 
| shall I have knocked? shall you have knocked? shall she have knocked? shall we have knocked? shall you have knocked? shall they have knocked?  | shall I have been knocking? shall you have been knocking? shall she have been knocking? shall we have been knocking? shall you have been knocking? shall they have been knocking?  | 
Simple form | V-ing form | 
| shan't I knock? shan't you knock? shan't she knock? shan't we knock? shan't you knock? shan't they knock?  | shan't I be knocking? shan't you be knocking? shan't she be knocking? shan't we be knocking? shan't you be knocking? shan't they be knocking?  | 
Perfect | V-ing perfect | 
| shan't I have knocked? shan't you have knocked? shan't she have knocked? shan't we have knocked? shan't you have knocked? shan't they have knocked?  | shan't I have been knocking? shan't you have been knocking? shan't she have been knocking? shan't we have been knocking? shan't you have been knocking? shan't they have been knocking?  |