Just ask a friend what is the role of prepositions within sentences, or what are the four moods of verbs, and I am sure that you will see a puzzled look on his face.

Understanding the basic grammar rules is essential for communicating efficiently, but most of us have forgotten those concepts years ago.

In order to solve this problem we decided to put together all the basic rules on a single page, so that you can use it as a refresher, or print it out for future reference. Enjoy!

Sentences

Sentences are made of two parts: the subject and the predicate.

The subject is the person or thing that acts or is described in the See More . . .

Each verb tense is composed of a time frame (past, present, future) and an aspect (simple, progressive, perfect, perfect progressive). Together, the time frame and the aspect make up the complete verb tense (past progressive, future perfect, etc . . .).

Time Frames
Past, present and future are the three time frames that are used to describe or indicate verb tense. Past tense is used to describe actions that occurred in the past; present tense is used to describe actions that are currently taking place; and future tense is used to describe an action that will take place in the future.

Aspects
Aspect refers to the state of action of a verb. There are four types of verb aspects: simple, progressive, perfect and perfect progressive. See More . . .