Other
Isabel's Esl Site: Future Tense
Will and Going To are explained, with examples and exercises. Some guidance in Spanish.
Other
Zozanga: Verbs
This is an overview of verbs. Click on Main Page to access the more detailed explanations for modal, auxiliary, regular, and irregular verbs on the right, under Grammar Lessons.
Vernet -Virtual Education Resources Network
Salon Hogar: 66 Essential Phrasal Verbs/66 Verbos
This is a list of commonly used English phrasal verbs given in English and Spanish. Examples of proper usage of the verbs are provided in English (a few use British terms or word choices).