Grammar Warm-up – Part 64

Fill in the gaps with the past simple or present perfect simple of the verbs in brackets to make true sentences

N1. The chart shows the percentage of American students who …………. (use) illicit drugs since 2000
N2. The proportion of female students who have ever used illicit drugs …………. (increase) by more than 50% since 2000
N3. In 2010, the percentage of American male students reported to be using drugs …………. (rise) to 50 percentage
N4. From the graph we can see that illicit drug use among American female students …………. (rise) each year
N5. The percentage of male students who used illicit drugs …………. (be) greater than the percentage of female students from 2000 to 2010
N6. However, American female students …………. (overtake) male students in drug usage since 2010
N7. The overall drug-use rate among American students …………. (grow) each year and the most significant rise …………. (occur) between 2000 and 2005

: ANSWERS

N1. The chart shows the percentage of American students who have used (use) illicit drugs since 2000
N2. The proportion of female students who have ever used illicit drugs has increased (increase) by more than 50% since 2000
N3. In 2010, the percentage of American male students reported to be using drugs rose (rise) to 50percentage
N4. From the graph we can see that illicit drug use among American female students has risen (rise) each year
N5. The percentage of male students who used illicit drugs was (be) greater than the percentage of female students from 2000 to 2010
N6. However, American female students have overtaken (overtake) male students in drug usage since 2010
N7. The overall drug-use rate among American students has grown (grow) each year and the most significant rise occurred (occur) between 2000 and 2005