A flow-chart of the English combinations of principal parts into verbal phrases

• Tenses: modal, present, past, infinitive, present participle
• Compounds: simple, perfect, continuous, and passive
• Contractions: subject, negative, and other

There is an app for teachers that allows you to customize what students will see. The full flowchart can be daunting, especially early in the students' development. There are probably more than 400 possible combinations of all the check boxes.

With the teacher app you will be able to create links to paste into an email or an online syllabus that only accesses material they are ready to use.

The app is still in development, but should be available soon.

Look up the conjugation of any verb in the Spanish language. The column headings make it easy to see a pattern that is predictable for each tense, even in irregular verbs!

There is an app for teachers (still in development) that will enable you to customize what tenses the student can see. Seeing the whole picture can be daunting in the students' early experience. The app will allow you to create a customized link that can be pasted into an email or into your online syllabus, that will control how much the students can see as they progress in their language study.