Tenses Worksheet For Class 10 CBSE

Fill in the blanks with the appropriate form of the verb. Choose your answers from the given options. This grammar worksheet is meant for students of classes 9 and 10.

Tenses worksheet for class 10

Most schools …………1……… (ban / banned / bans) chewing gum, but in a few years they might consider …………2……….. (to change / changing/ that rule. Why? Scientists …………3…………. (is finding / are finding / have finding) evidence that gum chewing may be good for your health. It may even …………4………….. (to help / help / heping) boost your test scores.
Just what can gum …………5………. (does / do / did) for your health? Many studies ………6………… (show / shows / showed) that chewing gum after meals ……………7……….. (fight / fights / fought) cavities by stimulating the production of saliva. Saliva …………8………… (help / helped / helps) wash away bacteria that …………9……….. (damage / damaging / damaged) our teeth.
An ingredient called xylitol, which …………10………… (added / is added / has added) to some gums, …………11…………. (provide / provides / provided) an extra dose of cavity-fighting power. This is good for more than just the teeth. Research ……………12……….. (suggesting / suggests / suggest) that good oral health decreases the risk of heart disease, diabetes, and other serious diseases.

Solution

Most schools ban chewing gum, but in a few years they might consider changing that rule. Why? Scientists are finding evidence that gum chewing may be good for your health. It may even help boost your test scores.
Just what can gum do for your health? Many studies show that chewing gum after meals fights cavities by stimulating the production of saliva. Saliva helps wash away bacteria that damage our teeth.
An ingredient called xylitol, which is added to some gums, provides an extra dose of cavity-fighting power. This is good for more than just the teeth. Research suggests that good oral health decreases the risk of heart disease, diabetes, and other serious diseases.