Having to travel to Soria, I couldn't attend my English lesson last Thursday

If I think hard I wolud be able to write something useful.

Thinkig hardly I wolud be able to write...this!

Because I had to travel to Soria, I didn´t go to my english class last thursday

Not having neither good ideas nor much time, I couldn't invent a good sentence.

Pressing the push-button control, the machine begins to run

Having slept so well, I felt ok the next day

Because I have to go to a bioinformatic practise, I am not able to attend english and italian lessons today.

Not having neither good ideas nor much time, I couldn't invent a good sentence

I couldn't invent a good sentence because I didn't have neither good ideas nor much time

Pressed the push-button control, the machine begins to run

If the push-button control is pressed, the machine begins to run

Althoug having tried for a long time, I couldn't add an image.

Not being concentrated at all, I left my homework for the next day and went to bed

I couldn´t add an image although I have tried it for a long time.

I wasn't concentrated at all, so I left my homework for the next day and went to bed.

Even having worked with participle clauses all weekend, I still can't understand how to do it.

Even after I´ve been working with Participle clauses during the weekend, I still can´t understand how to do it correctly.

Needing help to concentrate on what I am doing, I eat chips.

I eat chips when I need help to concentrate on what I am doing.

Remembering the last holidays still makes us feel really happy.

When we remember the last holidays, we still feel really happy.

Watering this plant regularly it can last for a long time

If you water this plant regularly it can last for a long time

Thinking my students might find it difficult, I ve upload a document to our blog.

I have uploaded a document to our blog because I thought students might find this strucyture difficult