1 offer常常表示主动慷慨地给别人提供某物或主动提出帮助或建议等。其后可接双宾语，也可直接接动词不定式或名词、代词作宾语。另外它还可以表示“出价，报价”。
egThe guesthouse offers all kinds of food to foreign visitors
2provide 意为“提供供应”通常表示出于某种责任的“供应”。provide常用于provide sb with sth 或provide sth for sb的结构中，但provide不接双宾语。
afford的意思是“有条件担负，支付得起”；offer的意思是“给予，提出，出价”；provide的意思是“提供，供给，为……做准备”，常与for, with一起连用。
例：John can’t afford to give so much time to it
约翰花不起这么多时间来做这件事。
I don’t think we’ll be able to afford any travel any more
我想我们没钱再旅行了。
They were friendly and even offered assistance
他们很友好，甚至表示愿意帮助我们。
Mrs Baines offered no comment on Susan’s situation
贝恩太太对苏珊的处境未做任何评论。
On Sundays his landlord provided dinner as well as breakfast
周日，他的房东为他既提供早餐又提供晚餐。
He provided for his family by working in a factory。
他靠在工厂做工来养家。
We must provide for the future
我们必须为将来做好准备。
They provided us with a big supper= They provided a big supper for us
3 supply指“供应，提供”时，通常不接双宾语。它常用于supply sth to sb或supply sb with sth这两个结构中。
The powerstation suplies electric power to us= The power station supplies us with power
4afford表示“提供，给予”时，常用于抽象的事物，可接双宾语。它常用于afford sb sth或afford sth to sb这两个结构中。
This story will afford you much pleasure= This story will afford much pleasure to you
另外，afford 也可表示“买得起，花得起”。这时，其宾语可以是名词或不定式，通常是表示时间或金钱的词语，常与情态动词can，be able to连用。
Some students can't afford their tuition
I still can't afford to buy such an expensive car
Exercise:
1 Many people can't afford such expensive houses in the city
2Miss Li offered to help me learn English
3 Our comany supplies three cheap meals to us every day
4 Working in the country has afforded me a lot of happiness
5While I was in Beijing , my friends provided me with free accommodations
"提供方便"英语怎么说
综述：
offer sb sth/offer sth to sb/offer(to do )sb 向某人提供某物/向某人提供某物/提供（做）某人
provide sb with sth/ provide sth for sb 为某人提供某物
furnish sth with sth else 用某物提供某物
supply sb with sth/supply sth for/ to sb 向某人提供某物
学习英文技巧：
1上课时间一定要充分把握，思维跟着老师走。
2坚持听录音并大声朗读课文，可改善自己的语音，语调。
3在课余时间复习上课所学。
4对于每课的语法重点，要适时总结，细致分析。
5需要熟练背诵课文句型。
6可选购一本符合自己能力的辅导书，每天适当练习。
英语中的“提供”都有哪些单词？有什么区别
为提供方便
convenience
海关根据工作需要,可以派员随运输工具执行职务,运输工具负责人应当提供方便。
"In accordance with work requirements, the Customs may dispatch officers to perform duties on Board the means of transport The person in charge of the means of transport shall provide them with conveniences"
三明治是为一个赌徒提供方便而发明创造的。
The sandwich was created to accommodate a gambler
没什么区别，那个好用就用那个。
及物动词 vt
1供给,供应,提供[O1][(+to/for/with)]
Our farm supplies the market with fruits and vegetables
我们的农场为市场提供水果和蔬菜。
We supply power to the three nearby towns
我们对附近的三个城镇提供电力。
2补充;满足
名词 n
1供给,供应[U]
They are engaged in the supply of small parts for replacement
他们从事提供备用小零件的工作。
2供应量;供应品;库存(货)[C]
We have new supplies of fur coats
我们有新进货的皮大衣。
3生活用品;补给品;军粮[P]
Our medical supplies are running short
我们的医疗用品快用完了。
4(议会所通过的)支出[P]
5(个人的)生活费[P]
My father has cut off the supplies
父亲停止给我生活费了。
6替代者[C]
及物动词 vt
1给予,提供;拿出,出示[O1][(+to)]
He offered me a glass of wine
他端给我一杯酒。
2愿意;试图(做某事);提议[Y][+to-v]
They offered to help me
他们表示愿意帮助我。
He offered to lend me some books
他表示要借给我几本书。
3出(价);开(价)[O1]
We offered him the calculator for US$50
这计算器我们向他开价五十美元。
4贡献;奉献
不及物动词 vi
1提议
2(机会等)出现
She travels whenever the opportunity offers
她一有机会就去旅行。
3献祭
名词 n [C]
1提供,提议[(+of)][+to-v]
Thank you for your kind offer of help
感谢你想给予帮助的好意。
2出价;报价
及物动词 vt
1提供[(+for)]
On Sundays his landlady provided dinner as well as breakfast
星期天,他的女房东不但供给早餐,还供给晚餐。
2装备,供给[(+with)]
Somehow she managed to provide her children with food and clothing
她总算设法使她的孩子有饭吃,有衣穿。
3规定[Y][+(that)]
The law provides that these ancient buildings must be preserved
法律规定,这些古老的建筑应该保存。
4准备,预备
5宗任命就有俸神职
不及物动词 vi
1抚养,赡养[(+for)]
He tried to earn more money to provide for a large family
他设法多挣钱以供养一个子女众多的家。
He has a large family to provide for
他有一大家子人要养活。
2作准备;预防[(+for/against)]
3规定[(+for)]
The constitution provides for citizens' rights and obligations
宪法规定了公民的权利与义务。
