沪外教版（2024）七年级上册（2024）C Grammaring精品ppt课件

这是一份沪外教版（2024）七年级上册（2024）C Grammaring精品ppt课件，共18页。PPT课件主要包含了Can，Should，Must，can’t，Exercises，can，should，must，she is，hard等内容，欢迎下载使用。
What d the blue wrds mean in each sentence?
1 When ur ears are cld, we can wear earmuffs. 2 “I must slve this prblem,” he thught. 3 Everyne in twn thught they shuld have a pair f earmuffs.
Study and answer
Can is used t talk abut ability r permissin. It means that smene has the capability r is allwed t d smething.
Can is abut ability r permissin.
Ability: When we use "can" fr ability, it means smene knws hw t d smething r is physically able t d it.Fr example, "I can swim" means I knw hw t swim; I have that skill.
Permissin: "Can" can als mean smene has the permissin r is allwed t d smething. Fr instance, "Yu can g t the party tnight" means it's kay fr yu t attend the party.
Advice: When we use "shuld" fr advice, it means we are recmmending smething as a gd idea. Fr example, "Yu shuld wear a cat tday" because it's cld utside.
Shuld is abut advice r expectatin.
Shuld is used t give advice r t talk abut expectatins. It suggests what is right, apprpriate, r expected in a particular situatin.
Expectatin: "Shuld" can als express what is expected r cnsidered nrmal. Fr instance, "Children shuld brush their teeth befre bed" is an expectatin fr children's behavir.
Necessity: When we use "must" fr necessity, it means smething is essential r cmpulsry. Fr example, "I must finish my hmewrk tday" means I need t cmplete it; it's necessary.
Must is abut necessity r strng bligatin.
Must is used t talk abut necessity r strng bligatin. It means that smething is required r very imprtant t d.
Obligatin: "Must" can als shw that there's a strng rule r duty t fllw. Like, "Yu must stp at a red light" is a traffic rule that everyne must bey.
What is a patent? A patent prtects yur creatins, s thers 1_________ cpy, use r sell them.
Cmplete the infrmatin card abut patents.
What inventins can get a patent? Yu 2______ get a patent fr an inventin if it is new, useful, and inventive. The inventin 3______ als be: a prduct (e.g. a dr lck), a prcess (e.g. a methd fr making dr lcks) r an imprvement n these. But yu 4______ get a patent fr things such as scientific discveries, rules, and methds fr mental activities.
Chinese patentIn China, the persn t apply fr a patent first gets the patent. Yu 5________ apply as sn as pssible after cmpleting yur inventin. A Chinese patent gives yu rights nly in China. If yu want prtectin in ther places, yu 6______ apply separately.
What feelings can we express by What … ! and Hw … ! sentences?Hw d we frm What … ! and Hw … ! sentences?
1 What a clever idea!2 What beautiful weather!3 What a great discvery the scientist made!4 Hw fast the rcket travels!5 Hw exciting the game is!
shw that we’re really excited, surprised, r have strng feelings abut smething!
Structures:• What a/an + (adjective) + singular cuntable nun! • What a/an + (adjective) + nun + subject + verb! • What + adjective + uncuntable/plural nun! • Hw + adjective/adverb + (subject + verb) !
exclamatry sentence
1 Alice is a gd friend. → What a gd friend____ ____ !2 She wrks very hard fr the final game! → Hw ______ _____ ______ fr the final game!3 It is an interesting bk. → _______an interesting bk it is!4 She sings well. → _______well she sings!5 He is a clever inventr. → ________a clever inventr he is!
Cmplete the sentences.
Nt every great inventin was created accrding t plan. Sme, in fact, were the result f an accident. The scientist Dr Spencer Silver was ding research n strng glues. But he gt ne that “stuck lightly t surfaces but didn’t bnd tightly t them.” At first, Silver had n idea what he 1______ d with his discvery.
Cmplete the passage abut a small inventin.
can shuld must what hw
Years later, anther scientist, Art Fry, came t him with an idea. They created a bkmark that culd stick t paper withut damaging it. Finally, that bkmark became the sticky nte. Nw peple 2______ use sticky ntes t remember things they 3________ d. 4_______ an interesting accident! 5 _______ lucky we are t have such a small inventin!
Cmplete the grammar exercises.Draw a special mind-map abut “can, shuld and must” r “What ... and Hw ... ” sentences.