PRESENT PERFECT CONTINUOUS tense emphasizes the ongoing nature of an action that started in the past and continues to the present. Structure: have/has been + verb-ing. Example: 'I have been studying English for three years.' This highlights both the duration and the continuous nature of the action. We often use 'for' and 'since' with this tense.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Naomi Miselo – 31 pts

• Distance of A Straight Line
• Mid-point of A Line
• Equation of a Straight Line
• Parallel and Perpendicular Lines
• COMMUNICATION SYSTEMS