Fill in the Blanks Present PerfectOnline version Fill in the Blanks game to practice the use of the present perfect tense with the words 'just' and 'yet'. by Ismael Alejandro Guerrero Mancía 1 time actions speaking tense just finished present perfect events happened homework' yet The is used to talk about or that have or have not happened . We use the word 'just' to talk about actions or events that happened a very short ago . We use the word 'yet' to talk about actions or events that we expect to happen in the future but have not happened at the time of . 'Just' and 'yet' are usually placed at the end of the sentence . For example , 'I have just my or 'Have you finished your homework yet ? '