Notes and examples of verb tense including past, present, future, progressive, and perfective.

Informative website focussing on American history from the Colonial period to present-day. Many on-line exhibits include timelines, photographs and famous quotes.

Discover some of the deep questions that scientists and philosophers ask about time and some of the ideas that emerge from each one.

This articles discusses the importance of teaching verbs and provides tips on creating verb lessons including the definition of verbs and verb tenses.

In this lesson, learners examine primary source materials to investigate how ideas change and evolve over time and what impact past ideas have on people's perceptions of the present, or how the present may be perceived at some future time.

Explore scientific data relating to the atmosphere, oceans, areas covered by ice, and living organisms in all these domains. Interpret past and present climate data to predict future climate change and its possible effects.

Plants give us insight into the past, sustain the present, and prepare for the future. Peruse the article to appreciate the value of angiosperms.

During this lesson, students will explore facts about the Cherokee people, their history, their culture, and their future. This lesson will help students begin to realize how the actions of our predecessors affected people in the past...

This site provides several worksheets that require students to analyze the verb tenses used in sentences. Students will enjoy the "pirates" theme as they identify verbs, verb phrases, and verb tenses.