The ferry to the island ________ (leave) at 7 p.m.

"I'm sorry I made you so angry. I promise I won't do it again." (What tense is it? Correct or not?)

This future tense refers to timetables and scheduled events and sometimes, it refers to activities that are part of your routine.

"Sorry, I can't see you this weekend because I am visiting my grandparents in Merida." (What tense is it? Correct or not?)

To make a prediction based on evidence we see or hear, we use...

"Don't run! You are going to have an accident!" (What tense is it? Correct or not?)

"The train is going to arrive at 9 o'clock tonight." (What tense is it? Correct or not?)

This future tense is used to refer to arrangements (very detailed plans). They already have a defined time, place and people involved in them.

"A: Where are you going? B: I will buy something for dinner." (What tense is it? Correct or not?)

"The sky is very dark. I think it will rain." (What tense is it? Correct or not?)

"What time do you finish work on Mondays?" (What tense is it? Correct or not?)

I'm busy right now, I ______________ (call) you back in 20 minutes!