Sentence Diagrammer

‘Reed-Kellogg Diagrammer is a sentence diagramming tool that automatically analyses and diagrams a sentence for you.

It graphically represents the sentence structure in the form of traditional diagram. 

To view Reed-Kellogg sentence diagrams please install Silverlight.


How can I use it?

To create a diagram type your sentence in a textbox and press ENTER.

To enlarge or shrink diagram use a mouse wheel.

You can drag diagram with a mouse to explore different parts.
Mouse works both in normal and in full screen mode.

You can view a diagram in two modes:

1) in a browser window as part of the current page or

2) in full screen mode.

To view diagram in full screen, press [CTRL] + ENTER.
To return from full screen, press [ESC] or [CTRL] + ENTER.
To type a new text, return from full screen mode because typing doesn’t work in full screen.


To make more room for a diagram you can hide the text box.

Pressing [SHIFT] + ENTER toggles the text box On/Off.
When text box is hidden, the hint and Forward/Backward buttons are removed as well.

[SHIFT]+ ENTER works in full screen mode also, so you can view a diagram on the whole screen.

You can toggle text box and full screen mode altogether by pressing [CTRL+SHIFT] + ENTER.


If there are multiple diagrams, you can list through them with Forward/Backward buttons or with [PageDown]/[PageUp] keys.
When Forward/Backward buttons are hidden, you still can use [PageDown] and [PageUp].
The keys work in both modes.

To save current diagram as an image press [Windows] + ENTER.’

You can read more about Diagrammer in Reed-Kellogg Diagrammer help


You can also download another diagrammer if you prefer.

12 Basic Tenses

Past Present and Future

In English, there are 12 basic  tenses.  The diagrams below show how to make and when to use each tense.  Be aware each tense has it’s negative form (not shown here).

























Also see: