Grammar

 TO BE

Gerund vs Infinitive
What's the difference between
Past Simple and Present Perfect Simple?  
0,1, & 2 conditionals
unscramble and answer the questions

conditionals 0,1,2,3

2nd conditional

Used to/

to be used to/

to get used to 

Mixed tenses - present, past, present perfect simple & continuous 

a big compilation of "correct the mistakes" exercises

expand sentences 

make questions to the given answers 

What's missing?

conditionals (all)

answer the questions