figure out: find a solution. use up: use all of sth; exhaust. pick out: choose. figure out: find a solution. make up: to say or write something that is not true. (يختلق) handout: distribute ≠ hand in: submit. put out (fire): extinguish. rely on: depend on. do up: to repair or decorate a building so that it looksattractive. do sth up: wrap sth in paper. back sth up: to make an extra copy of computer information. back someone/sth up: to provide support or help to someone or something. breakinto: enter by force. eat up sth: to use something so that little or nothing is left. put on: wear clothes; dress up≠ take off= undress. takeoff (plane): leave the ground≠ land.
Conditional types 0 & 1:
Conditional type 0: used to express scientific facts or general facts: If+simple present+simple present
If water reaches 0 degree Celsius, it freezes. If you open a school, you close a prison. (Victor Hugo's “He Who Opens A School Door, Closes A Prison”. If you heat ice, it melts.
Conditional type 1: used to talk about possible future events and their likely results: If+simple present+ future simple
If it is fine next weekend, we will go on a picnic. If he doesn't hurry, he will miss the train.
N.B.:Notice here, when we use if...not, we can replace it with unless followed by a positive verb: unless= if...not.
Unless he hurries, he will miss the train. Unless he studies hard, he will fail his exams.