3 Difficult though it may be
(Strange as it may seem)
5 In spite of
In each case, the concession clause is the clause which is introduced by the phrase in italics. The other clause is the main clause.
1 a comma
2 the concession clause
3 Despite, In spite of
7 however (no matter how)
1 Despite knowing that it's bad for me, I spend too much time on the Internet.
2 Even though she is nearly ninety-six years old, my grandmother is still fully independent.
3 He's an excellent manager, although he can be a bit scary to work for.
4 Hard as they tried, they couldn't persuade him to give up his work.
5 Whilst I understand how difficult the situation is, I'm afraid I can't help.
6 He's very charming. However, I wouldn't trust him at all.
2 I spend a lot of time studying grammar, I still make mistakes, though.
Though I spend a lot of time studying grammar, I still make mistakes.
3 Difficult though it may be, I always try to believe what people tell me.
4 However you look at it, technology is changing education.
5 While I agree that English is important, I think students need to learn several languages.
6 Strange as it may seem, I find it hard to remember facts and figures.
7 Despite the fact that I enjoy travelling, I don't get the opportunity very often.
8 Learning a language is difficult, whichever method you choose.
hard to come by
come by: manage to acquire or obtain (something). E.g. the remoteness of the region makes accurate information hard to come by. Jobs are hard to come by these days.