+ Cách dùng: Where là trạng từ quan hệ chỉ nơi chốn, đứng sau danh từ chỉ nơi chốn. Where được dùng thay thế cho at/ in/ to which / there. + Ex: Ha Noi is the place where I to come. + Cách dùng: Which là đại từ quan hệ chỉ vật , đứng sau danh từ chỉ vật để làm chủ ngữ hoặc tân ngữ cho động từ đứng sau nó.

must là gì ?

have to em nha

1) Thì tương lai đơn:

- Chỉ lời hứa, việc không có chuẩn bị trước

Ví dụ:

A - My bag is so heavy! 

B – No worry! I will carry it for you.

- Diễn đạt ý kiến cá nhân

Ví dụ:

I think he will come here tomorrow.

2) Thì tương lai gần:

- Chỉ một hành động đã có ý định làm. 

- Chỉ một dự đoán dựa trên “evidence” ở hiện tại

Ví dụ:

Oh, your language is ready now. What time are you going to leave ?

Look at those grey clouds!

It is going to rain soon  

3) Thì hiện tại tiếp diễn:

- Chỉ hành động đã chuẩn bị kế hoạch sẳn, thường có thời gian cụ thể hoặc một kế hoạch lớn, quan trọng đã quyết định làm thường có thời gian xác định 

Ví dụ:

We are having a party next sunday. Would you like to come?

Nói tóm lại, xét về chức năng diễn đạt tương lai chúng ta có thể sắp xếp theo thứ tự từ mạnh (strong) đến yếu (weak) như sau:

Hiện tại tiếp diễn > Tương lai gần> Tương lai đơn

 

tl là j bn

Đề bài là: Viết lại những câu này bằng mệnh đề tương đối với giới từ

Protecting the environment is one of today’s most serious issues. It is not a secret that our planet is in danger! Almost every day we hear about a new problem affecting the environment. This list seems to be endless! The main issues are pollution, acid rain, greenhouse effect, climate change, rainforest destruction, and the extinction of thousands of animal and plant species. We are all aware of these concerns and can admit that we caused them. Most people really care about the future of our planet and realize it is time to improve the situation; otherwise, the environmental issues will become worse, with each of us suffering the negative consequences. It all seems to be really depressing but each of us, no matter what our age group, can do something to slow down the destructive processes and reduce the potential harm. We have to learn to be environmentally friendly in using natural resources like water, air, forests, agriculture, and wildlife without damaging them. It is very important to preserve the natural resources we have today so that future generations can also use them. Here are some examples of the problems we face today and the possible solutions for addressing them.

The fact is people produce too much rubbish. Household waste increased by 16% from 1992 to 2008. Each year, we produce half a ton per person. The main part of the rubbish is either burned or taken to enormous landfill sites. We should admit that both ways are harmful for the environment. The better option when dealing with waste is reusing or recycling it, rather than trying to find where to put it! Today, we recycle only 35% of our household rubbish, although it is possible to recycle up to 80%! To help achieve this, follow these simple recommendations:

• Sort your rubbish. Organic items like potato peeling, leftover food, and tea leaves can be transferred into a compost heap in the garden and used as a natural fertilizer for plants. Plastic bottles, juice cartons, and cardboard can be taken to a recycling bank.
• Use recycled papers to help save trees. It has been estimated, that each person uses about 6 trees worth of paper yearly.
• Avoid buying plastic since is difficult to recycle. Refuse to use plastic bags offered by supermarkets; instead, use long-lasting shopping bags or re-use the same plastic bags until they are worn out and then can be recycled.
• Do not buy over-packaged goods – many items we purchase are enclosed in unnecessary bits of plastic and paper.

Another serious threat to the environment is pollution. The air we breathe is polluted in many ways. It affects the lives of everyone. Air is damaged by car fumes and power stations and factories that cause acid rains, which destroy forests and lakes. Besides that, oil spills often pollute seawater and kill marine life. All these factors lead to spreading disease and damaging people’s health in many countries.

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