(很有可能)Sentence Pattern: be likely to...

1.
S. / It be likely to do sth. / that S. + V....
e.g. Our school team is likely to win the game.
e.g. It is likely that our school team will win the game.

2.
It be possible / probable to do sth. / that S. + V....
e.g. It is possile for our school team to win the game.
e.g. It is possile that our school team will win the game.

References:
1. 中國人大附中朱京力老師
2. 臺灣鳳山高中施勇廷老師

(然而雖然)Sentence Pattern: although

1. although/though/while
e.g. Althoguh it rained heavily outside, they still went out.

2. despite/in spite of + N./Ving
e.g. Despite the heavy rain, they still went out.
e.g. In spite of the heavy rain, they still went out.

3. N./Adj./Adv. as S. V....
e.g. Man as he is, he is quite feminine.
(p.s. no article before the noun 名詞前方不加冠詞)

References:
1. 臺灣鳳山高中陳素娟老師
2. http://dictionary.cambridge.org/